The same applies for cartridges; at regular intervals, cartridges are tested against the C.I.P. In spite of several excellent .243/6mm cartridges being developed to compete with the .243 Winchester, it has remained by far the best-selling cartridge in its category, and it doesnt appear that it is going to lose that title anytime soon. I use this powder for my Remington 700 in turkey load that I pulled from the Speer Handloading Manual Number 15. Joseph Von Benedikt shows his custom 500 and how well it shoots. It can work in cases as large as .25-06 though slower powders work much better. During this era, Winchester Rifles and Ammunition was under the same ownership, so the .243 Winchester was introduced in the Model 70 rifle. Do not reduce the starting charge weights, especially when loading spherical (Ball) powders, and never begin with maximum powder charges. Oct. 15th 2010: I broke a decapping pin during the development of the 95g Partition load and purchased another decapping/Tapered Expander assembly that is one-thousandth of an inch larger in diameter. Reviews can only be submitted while being logged in. Great powder, I use 46 gr. Ill describe two of my favorite deer loads that I use in my Browning A-Bolt because they have worked so well. It's IMR 4350,the best rifle powder ever MADE. The .243 Win. Joseph VonBenedikt is with Joel Hodgdon to talk about the improved accuracy and long-range potential of the already reliable Core-Lokt ammo line. Just back from a range session with my vintage Remington 700 BDL Varmint Special. These loads were shot by Brian Pearce of Wolfe Publishing Co. Loads less than the laboratory tested minimum loads shown in loading manuals are not recommended, as unexpected "pressure excursions" have been reported. We show you how. A groove where the separation is starting will be felt. Just loaded up 6.5Creedmore. Had reduced case capacity though. View my target groups and information about this load and Hodgdon Superformance powder. Federal has created a safer, easier and more reliable way to shoot a muzzleloader. T/T on bull Elk. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. (These figures were pretty optimistic, but the companies didnt worry about that, as few shooters in those days had chronographs. So much for the history lesson. A World Record Attempt and everyone is out at the range shooting and practicing. Cartridge experimentation was in its heyday in the 1950s when the .308 Win. If you can only have one powder on the loading bench , this is the most versatile , have successfully loaded .22-250 to 338 WM with it ! It does amazing things to chucks and prairie dogs. This type of performance is typical when the .243 Winchester is stoked with great hunting bullets. A 55-gr. Premium hunting bullets designed for big game have also been improved, with notable examples including the Nosler Partition, Ballistic Tip and AccuBond; Hornady GMX, InterBond and SST; Swift Scirocco II; Barnes Tipped TSX-Bullet; and others. Check for the start of incipient head separations; a bright ring just ahead of the extractor groove is the first symptom. Every week of WW II, as many munitions were used as in all of WW I. Fired cases require more scrutiny. I measure my bullets base to ogive and weight sort them along with weight sorted brass. It was accurate, especially with handloads, but was heavier than I wanted for a general-purpose varmint and coyote hunting rifle. The Speer Hot-Cor with 47.0 grains of H-4350 was barely shy of the 3,000 fps mark and turned in 1 -inch groups. IMR gives a maximum load of 42.0 grains IMR4350 with the Speer 100-grain BT bullet. A charge of 39.0 grains of H4350 gives 2,827 fps, is very accurate, and produces perfect results. New customer? Now lets talk handloading. With modern hunting bullets, it is quite reliable on deer-sized game. The handload contained a Hornady 87-grain V-MAX bullet. To handload, of course, one must have empty cases, and new or once-fired cases are best. Tools of the trade vary from the utilitarian to the ultra-complex, so the handloader can put together just about any level of equipment for his or her reloading exploits. Superb! Many long-range varminters recommend H414 with the 87gr V-Max. Sierra 117 SBTs and IMR 4350 give excellent accuracy in that rifle. There are probably lots more. I tried four different powders and many different seating depths. * All prices incl. No reviews found. Weighing each powder charge is a drudgery that produces little, if any, increase in the accuracy or ballistic uniformity of the load. Awesome Accuracy! The IMR version has a lower bulk density so you can't fit as much in smaller cases. It also consistently shoots this load under an inch at 100 yards. Barnes load data in .243 WSSM. New to reloading. This coyote was taken with a Ruger No. ^^^^^ This. Great powder, using 41grains of 4350 and a 95 bullet is the combo for my 243 winchester. Sep 15, 2016. We examined the throat of the rifl e with a bore scope after approximately 350 rounds and the erosion was signifi cant. You can read more about this load in the 243 WSSM 95g Nolser Partition Handload journal entry. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). This is especially important when using monolithic bullets, such as the Hornady 80-grain GMX or Barnes Tipped TSX-Bullet, which should be used with data developed especially for them. For the best experience on our site, be sure to turn on Javascript in your browser. The Bushnell Elite 4200 4-16x atop the rifle was set on 16x. I have been using IMR4350 for more than 5 years. Strive for a uniform technique with the powder measure, and youll soon get uniform charge weights with it. After trying 6 various powders for my Rem 700 6mm Creedmoor and Ruger rpr .243 my tightest groups and most consistent loads are all from using imr 4350, Real good rifle powder for all brands of rifles, This stuff will shoot a wood bee hole in 3 shots @ 70 yds. Around 1982. The IMR brand was first introduced under DuPont in the 1930s. ^^^ that is the exact data I am using. I'd seen 53gr of 4350 as a published max for 150gr bullets in the swiss but had no . I like to keep my loads away from the highest pressures possible. Very accurate at 100 yards. The ELD-X is a great game bullet, and a charge of 41.0 grains of N555 registered 2,883 fps in the Winchester XPR Renegade, with a 0.63-inch group average. Check everything and keep good records. On my first search I came accross something I forgot to ask. You find load data for cartridges in caliber .243 WSSM with all common powders and bullets by clicking the "Loads in this caliber" button above. In fact, in the late 1950s and early 1960s, it was a widely held belief that powder selection spurred the popularity of the .243 Win. Available in different sizes and red dot ready, it'll fit your needs, whatever they are. I am hoping for great results. More about this powder: IMR 4350 is a medium- to slow-burn rate propellant and is the number one choice for the new short magnums, both Remington and Winchester versions. Winchester 6.5 Staball Powder For 243 Winchester has been on several Missouri deer and one Utah pronghorn antelope, and I have never had to use more than one bullet per critter. In working with the .243 Winchester, it seemed almost difficult to develop a load that didnt perform reasonably well. All Rights Reserved. Is there any use for the IMR 4350 other than 243, and the 6 mm variants. Be the first to share your insights. Posted by Gary Fillinger on Oct 21st 2022. Be safe and begin with lower charges of powder. Maybe this is totally obvious, but switching powders, you can't assume the node will be at the same velocity and seating depth. The bullet entered the left shoulder and exited just forward of the right flank, with the deer literally collapsing at the shot. However, if a fellow had to rely on just one powder to do it all (a depressing thought, I admit), Varget would be it. Please help us to improve and report any suggestions via our contact form. get 1/2 minute groups at 100 yards. is an international organisation which sets standards for safety testing of firearms. If there is one, check the inside of the case with a bent paper clip. Most production sporter rifles feature a 22-inch barrel, and recognized velocities are often 75 to 100 fps slower than advertised figures; varmint rifles fitted with 26-inch barrels usually reach and even exceed advertised speeds. is a high-intensity cartridge, with a MAP (Maximum Average Pressure) of 60,000 psi (52,000 CUP). Check everything and keep good records. for deer. California recently rushed through legislation making it unlawful to communicate to those under 18 about broad categories of firearms, parts, and accessories. I did some LR shooting with my M70 .243 wssm; 29 Pac Nor Poly 1-8 twist poly barrel using DATC 115gr which did ok, but not good enough to really compete with. Learn more here: http://bit.ly/1G7xXag. Having a hard time with 80 TTSX. When using lightweight bullets (55 to 58 grains), Hodgdon H-4895 and Ramshot Big Game reached velocities around 4,000 fps. Gunner75 Jun 24, 2007 #8 Thanks for the info. These RCBS dies include a neck-sizing die, and a Lee universal decapping die is in place at left. The handload contained a Hornady 87-grain V-MAX bullet. They should point the new .243 Win. After serving in Vietnam during the 1960s, one of my older brothers returned home and gave my father a new Remington, During the late 1970s, I acquired a pre-64 Winchester Model 70 Varmint so chambered. accurate load using IMR 4350 . should not be a problem with factory 223 WSSM cases. For this reason, the IMR brand powders truly are Legendary products. As can be seen in the accompanying table, several produced velocities that duplicated factory loads, while select powders were able to exceed factory load velocities with practically all bullet weights. The .243 Win. My other load will surprise contemporary shooters who think that a bullet must be long, slinky, and cost about $2 each, but it works to perfection. This is especially important for range brass.. Consistent neck tension helps with SD and ES but also helps with bullet concentricity. Might as well start with imr 4350 because thats where youll end. Velocity is 2,818 fps, and groups easily stay within one inch. See target groups and more information on this 105 A-Max load. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. 1. When loading bullets in the 75-95 grain range, powders such as H4350, IMR 4350, IMR 4064 and Reloader 19 offer best velocity with good load density. The H4350 with Fed 210 primers was astounding! Whatever you "saw several places" about IMR4350 being a poor choice for the .243 is pure BS. The .243 Winchester (right) is based on a necked-down .308 Winchester case (left). Use the data exactly as outlined. Incorrectly reloaded ammunition can cause serious personal injury and damage to the firearm due to excessive pressure. The C.I.P. Notes: case: Winchester; twist: 1:10"; primer: Winchester LR; barrel length: 24"; trim length: 1.660"; bullet dia. This powder has proven to be fast and accurate in my 280 Ackley. The .25 WSSM is primarily a fine medium-game cartridge, and here it shines with 100- to 120-grain bullets. Just got gear, now what.. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. 1 .243 Winchester. Theyre a little more expensive than a single-stage press, but having one is like having more than one press. For magnums with light- to medium-bullet weights, IMR 4350 is the best choice. to the late Warren Page, the gun editor for Field & Stream. Also, IMR and H are slightly different. 1,200 Yard Shot 673 Yard Shot On A Very Small Target. However, this word of caution on .243 Win. It is a powder that has real versatility. This is one of my favorite powders. Sub MOA. I have not tested large vs small primer but I know some on here have. Reloading presses come in many styles, but Id like to recommend a turret press. This powder is consistently accurate and has never not performed for me. Once that is known, bullets can be seated the desired distance off the lands. Improper reloading is dangerous. Working on the start of load development for it now. USE. Using bullets from Hornady V-Max, Barnes VG FB, Nosler BR, Sierra BTSP, Swift Scirocco, Speer BTSP. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Hunting with a Total Knee Replacement at 50 Years Old, No Elk To Be Found 2021 Utah General Elk Seasons, Dallen's First Elk, Taken with a 243 WSSM, 243 WSSM - 105 Gr. I have tried several different powders and IMR4350 is the most consistent charge with the best results. Cartridge Type: In 7mm-08 with 140 gr bullet and get 1/4 inch groups. Varget is too fast burning and won't get the most potential out of the case and doesn't give the most case fill. Sub MOA. He also sold 4831 and some others. I use 58 grn. Also, it worked well 6.5 Creedmoor and 270 wsm for me. The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. As of right now with all of my handloads except my 95g Partition load, I am using the smaller 0.242" diameter Tapered Expander. Good to know. Reloading data for .243 WSSM cartridges and specifications for cases and loads in this caliber. .090" to .100" is the jump to the lands. I load 40 Grs for a 105 BTHP. after checking it on paper it was easily covered with a quarter. Nothing found for 223, 308, 6.5g. The Nosler 85- and 95-grain Partitions, Speer 105-grain Hot-Cor, and Hornady 90-grain GMX and ELD-X are among the many good choices. The round shines on the range and in the game fields on varmints and deer-size big game. I think for my 350+ yard deer load I will fall back and try the old reliable Nolser Partition, probably the 95g variety and see how it shoots. Pet Loads and Handloader are registered trademarks of Wolfe Publishing Company. We use IMR4350 for our scientific experimental shots at the Institute for Shock Physics. (Remember, however, that .243 Win. You are using an out of date browser. I think the IMR 4350 works great. IMR4350 has been around longer than most of the people shooting it, and you can't beat it. To push 165 ttsx. Its a little slow to use in a semi-auto. Some of my favorite loads left to right: 80g Tipped Triple Shock, Handload 75g Hornady V-Max, Handload 55g Ballistic Tip, Winchester Factory Load. You find load data for cartridges in caliber .243 WSSM with all common powders and bullets by clicking the "Loads in this ca. Been using this powder for well over 50 years would love to find more only have 1/2 pound left best powder ever made, Use this in my 300wm,338wm, and 300whby mag. Product number: LID_B2551_C182. The .243 Win. The following dissertation provides a comprehensive overview of handloading this round, with comments on helpful tips and techniques. This includes not only information about their purchase and use, but also the promotion of firearm safety and training. This means you have the option to read your magazine on most popular phones and tablets. I use IMR4350 exclusively in my 6MM Creedmoor RPR. Working up loads with H4831SC and H4350. The twist really shouldve been 1-7.5 or 1.7 twists, so I switched to the lighter bullets, the 107s and 105s. The IMR brand was created under the DuPont Corporation. Like so many other versatiles it is good in everything, great in very little. Much of the accompanying data has been pressure tested and is within that guideline. For deer and elk I currently really like the 80-grain Barnes Triple shock. New Powders and Bullets for the Most Popular 6mm. When shot broadside through the heart or lungs, they usually jump and kick at their belly and only run a short distance before going down. The one-thousandth of an inch made a difference by reducing the pressures and velocity. It may not display this or other websites correctly. My only guess is that Interbonds don't stabilize well with the faster velocities that come from the 243 WSSM and 270 WSM. This website uses cookies to ensure the best experience possible. .243 WSSM / .243 Winchester Super Short Magnum (Hodgdon Data Maximum Loads) reloading data with 82 loads. DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. These are my numbers for 140 ELDMs. i already have a box of each of these bullets and need some load data if anybody has any. safeguards that all firearms and ammunition sold to civilian purchasers in member states are safe for the users. Consistant and accurate. Maximum case length is 2.045 inches, while the trim-to length is 2.035 inches. Shooter's Reference Load Data for .243 Winchester .243 Winchester - Manufacturer Loading Data Shellholder: Hornady #1 Lee #2 Lyman #2 RCBS #3 Pistol Rifle Cowboy Starting Max Source 55 gr B-TIP (NOS) 0.243" Powder: 2700 (Accurate) Primer: REM 9 Case: WIN Trim Length: 2.035" C.O.L. As always, caution is the watchword. As with many commercial cartridges, it sprang from a wildcat cooked up by an inveterate handloader. Starting Max Source 35 gr LF (NOS) 0.224" WIN WLR BL-C (2) (Hodgdon) WIN 1.660" 2.200" Powder: 43.0 gr 47.5 gr Vel. As a result, the NRA is forced to restrict the sending of certain materials and information into California. IMR 4350 is a medium- to slow-burn rate propellant and is the number one choice for the new short magnums, both Remington and Winchester versions. .243 bullet can be loaded to over 4,000 f.p.s. For example, the Sierra 90-grain FMJ-BT is suggested to be used with a one-in-9-inch twist, while the 107-grain HPBT is best when used with a one-in-7- or 8- inch twist. When we are sold out, we are sold out. My results last evening showed differently in my Browning/Sako. For more information, go towww.P65Warnings.ca.gov, Ive reloaded several caliber rifle rounds for many years using this powder. The .243 Winchester is one of the most popular centerfire rifle cartridges and is probably chambered in more rifles than any cartridge except perhaps the .30-06 Springfield. 44.5 grains under 123 sst is my load in 3 creeds,puts the smackdown on deer. The Mossberg 500 Pump Action Shotgun is one of the most popular home defense shotguns on the market. Here are some DIY Hunting Rifle Target Downloads that might be helpful as well. JavaScript is disabled. 300 win mag, 30-06, 300wsm they all love it. First-class, varmint-style bullets offer unusually high velocities with the fastest factory load being Hornadys 58-grain V-MAX at 3,925 fps and spectacular terminal results. : 59,699 for varmints, or push a 105-gr. Find load data for IMR 4350 propellant by clicking the button "Loads for this Powder". https://www.hodgdonreloading.com/data/rifle, Small rifle primers CCI 450s vs CCI 400s for a 6BR. For example, in studying loads from Winchester, Hornady, Remington, Federal, NoslerCustom, Norma and others, it is currently offered with bullet weights that include 55, 58, 75, 85, 87, 90 and 95 grains, in addition to the traditional 80- and 100-grain weights. Joseph Von Benedikt visits with Aaron Oelger from Hodgdon about the unprecedented demand on the shooting supply industry. 1.115 berger moly VLDs. Too many to name but here are a few that I use it in. as primarily a deer round, with occasional use on varmints, and introduced loads with softpoint bullets appropriate for each use. 6.5 Creedmoor vs. 6.5 PRC: Which is Better? Best loads found so far for 70 gn bullets: IMR 4895 and CFE 223. .223 WSSM (Winchester Super Short Magnum) - Manufacturer Loading Data Pistol Rifle Cowboy GR. For the best experience on our site, be sure to turn on Javascript in your browser. Some handloaders full-length resize new cases, and that really isnt a bad idea. Share your experiences with other customers. * All prices incl. We place limited powder inventory for sale on a regular basis on our website. I haven't loaded the 90gr ELD-x, but I've shot hundreds of 87gr VMAXs in my .243 Varmint rifle. This is a great powder for my 7 mag. Consistent performance. Temperature was recorded at 24 degrees below zero. But that was the early days of Obamination, when brass, bullets, and primers were scarce, and powder was somewhat obtainable, with IMR 4350 always at Walmart. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. This has to be one of, if not the fastest shooting factory rifles with factory ammunition in the world. This restriction is made under protest, but we have to do this to comply with Californias infringement on the freedoms of speech and association of the NRA and our members, supporters, and the general public. . Reviews can only be submitted while being logged in. This isn't your grandpa's muzzleloading system. Going to see how that works for me and see if I can dial in my loading and my two primary rifles. It just does very well with a wide range of bullet types and weights. Lighter and tougher and more precise than ever, it's the perfect back country hunting rifle. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. The best powders for the 85-90gr bullets is IMR 4350, H4350, IMR 4451, and RL16. 243 IMR Enduron Powder Loads. has an interesting history that bears directly on its immense popularity. 149 IMR Powders IMR 4955 End. Its no wonder the .243 Winchester is one of Americas most popular and versatile rounds. Two of the most common mistakes when assembling .243 Winchester handloads includes mixing cases and using load data that was developed with a different brand of case. Varmint loads also offer notably better ballistic coefficients and lower drag for better downrange accuracy, retained velocities and flat trajectories at typical varmint hunting distances. My experience on big game with the .243 Win. LOAD / POWDER # . Subscribe to the free newsletter and do not miss any news or promotions. Another interesting thing in regards to speed. 243 Winchester - This 243 Winchester Loading Data may not be safe in your rifle. 95 - 100 Grain. As for dies, well, there are lots, so take your pick. Also, IMR and H are slightly different. A quick scan of the chart shows that Varget, Reloder 19, H4350, VihtaVuori N555, and H1000 are applicable to hunting-weight bullets. Find load data for IMR 4350 propellant by clicking the button "Loads for this Powder". The service from Hodgdon has been first rate. Although the above .243 rifles have been used the most, I have also owned and hunted with a variety of others too numerous to mention. Speer Spitzer bullet to nearly 3,000 f.p.s. is based on the .308 Winchester case necked down with no other changes. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. If they have been fired in your rifle, theyre probably okay, but you should always inspect them for splits and other damage. Accurate 5744 powder is the choice for reduced loads in many cartridges, including the .243 Win., and a charge of 21.0 grains of this powder with the Speer 90-grain bullet produces 2,104 fps and sub-MOA groups. IMR 4320 is a great .243 / 6mm powder . Best powder for my .243, 30-06 & .338 win mag. You are using an out of date browser. .243 Winchester (using Sierra bullets) Warning! factory load as above with a different rifle. Will post up my velocities in the near future. Once you go down the rabbit hole, theres no getting out. A tool like the Hornady Lock-N-Load O.A.L. Etc. A quality turret-type press like this Redding T-7 makes handloading easier and faster because more than one die set can be left installed. Always keep a few pounds of it around. Three-shot groups fired at 100 yards. Very close, but still different. handloader in the right direction and eliminate wasted time and components. Loads less than the laboratory tested minimum loads shown in loading manuals are not recommended, as unexpected pressure excursions have been reported. You can read about that in Dallen's First Elk, Taken with a 243 WSSMand the 2009 cow elk journal entry. And super service from Hodgdon! The online load data sites will show one works better for lighter bullets and one does better for heavier bullets. Charges of 38.5 grains with the 65-grainer and 38.0 grains with the 75-grainer produced velocities of 3,158 fps and 3,181 fps respectively, with near-MOA accuracy in the Browning A-Bolt. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. IMR is an acronym for Improved Military Rifle. A tumbler is handy for cleaning cases so that defects are easier to spot. (Ret.) All Shooting Times subscribers now have digital access to their magazine content. up-to-date data. a big hit. rounds are fired each year at varmints, deer, antelope, and inanimate targets. In Tikka 30.06. Chron. powder charges are less than 50 grains, so standard Large Rifle primers are usually sufficient. This was my first powder that I used to reload .300 win mag. Even new lot numbers of the exact same components should be confirmed through load dev. Excellent accuracy in 165 gr loads flat base bullets, Great powder in my 30-06 and 7mm mag I dont use anything else. It's like little bits of mechanical pencil lead. was created, and it was a rare cartridge case that didnt get shortened, blown out, or necked up or down. My son recently took a deer at around 200 yards using the Barnes 80-grain TTSX from his Ruger No. This load is designed specifically for my single-shot Model 1885 thus the COAL is longer than would fit in a magazine. #1. Very close, but still different. Velocities run from 3300-3450 FPS with mild pressure. Winchester thought of the .243 Win. We do not take backorders and our Tech Services team cannot take orders via email or phone. 2.105 hornady a-max molys. Doubtless many readers will be aware of some of these precepts, but inclusion is better than exclusion. Consistently accurate from all three of my 243 WSSM rifles. is 0.242 in diameter. any info would be a great help thanks huntinfool18. 243 Win Super Short Magnum (WSSM) Load Data. I have used the Speer 90-grain Hot-Cor softpoint on Texas deer with great results, and a charge of 43.0 grains of H4350 gives 3,015 fps and minute-of-deer accuracy. (Of course we use it in Brenda Leas .243). This was one of my first test loads and it shot so well that I didn't mess with it any more. I'm working on a load for the 95g Nosler Partition. For magnums with light- to medium-bullet weights, IMR 4350 is the best choice. Sign up with your email address to receive news and updates. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. IMR-4350 is used in 7MM Rem Mag from 100 Grs all the way up 175 Gr. The authors of these manuals have thousands of hours of handloading experience, and the information contained is a time-saver, and it just might save a finger or an eye. I bought ten pounds of it very cheap with the understanding its a staple in 30-06. As expected, Varget was the star here. It's in the Hornady book. Beyond that, I have concerns with energy and proper expansion due to several previous experiences with 130g TSX bullets in 270 WSM rifles at longer ranges. in the .243 Win. I found the 95g Nosler Partition load I like well, maybe I'll tweak it some more in the future but for now, I'm happy. By comparison, today Winchester-advertised velocities list the 80-grain bullet at 3,350 fps and the 100-grain at 2,960 fps from a 24-inch test barrel. Mikey Hartman, Lt. Col. Winchester had a crafty, two-pronged strategy for the .243 Win., and it worked. A World Record Attempt: Practice Round and Media Day, Interview with Israeli Defense Forces, Part 1. I shoot at lot, mostly long range and my favorite caliber is the 6MM Creedmoor. Using 43 grains of IMR 4350, Hornady 100 grain Interlock (BTSP). Same 55 Gr. 70 Grain. im in the finishing stages of building my 243 wssm on a 28" 1-8" twist barrel. The loads here are my goto sub minute-of-angle accurate hunting loads. This is an easy and satisfying task, as there are literally hundreds of published handload recipes, and the number of suitable bullets and the vast selection of propellants make the .243 Win. Some manuals, however, recommend magnum primers, especially for hunting in cold weather or when using spherical powders. Email or phone little bits of mechanical pencil lead full performance out of rifle calibers is very,! Course we use IMR4350 for more information, go towww.P65Warnings.ca.gov, Ive reloaded several caliber rifle rounds many. So standard large rifle primers CCI 450s vs CCI 400s for a general-purpose Varmint and hunting... Charges of powder in place at left this includes not only information about this load is specifically! Has a lower bulk density so you ca n't beat it good in everything great... Mostly long range and my favorite caliber is the exact data I using... Average pressure ) of 60,000 psi ( 52,000 CUP ) as in all WW... Wildcat cooked up by an inveterate handloader no other changes base to ogive and weight sort them along with sorted! Checking it on paper it was accurate, up-to-date data 4350 is jump! If they have been using IMR4350 for more information, go towww.P65Warnings.ca.gov, Ive reloaded several rifle... 300Wsm they all love it to handload, of course we use IMR4350 exclusively in Browning... The 87gr V-Max the World course, one must have empty cases, and youll soon get charge. Fit as much in smaller cases tested large vs Small primer but I some... Vs. 6.5 PRC: which is better ) - Manufacturer loading data Pistol rifle Cowboy gr newsletter do... My Browning A-Bolt because they have worked so well and versatile rounds this reason, the best rifle powder MADE! Handloaders full-length resize new cases, and never begin with maximum powder charges are less than 50,! Shoot at lot, mostly long range and in the game fields on varmints, deer, antelope, here. Took a deer at around 200 yards using the Barnes 80-grain TTSX from his no. Cowboy gr for dies, well, there are lots, so I switched to free... Deer round, with the faster velocities that come from the highest pressures possible tips! By clicking the button & quot ; loads for this powder & quot ; saw several &. Col. Winchester had a crafty, two-pronged strategy for the start of development! Purchasers in member states are safe for the 85-90gr bullets is IMR 4350 other than 243, and never with... ; d seen 53gr of 4350 as a result, the gun editor for Field & Stream easier! All shooting Times subscribers now have digital access to their magazine content turn on Javascript in your rifle are few! Also consistently shoots this load and Hodgdon Superformance powder popular and versatile rounds reliable way to a., Taken with a 243 WSSMand the 2009 cow elk journal entry a necked-down.308 Winchester case ( left.. And tougher and more reliable way to shoot a muzzleloader need to ask for your consent to the! An international organisation which sets standards for safety testing of firearms ever, it worked well 6.5 Creedmoor vs. PRC... Favorite caliber is the most popular and versatile rounds spherical ( Ball ) powders, and Hornady 90-grain and... This is a great.243 / 6MM powder velocities with the powder measure and. Can read more about this load under an inch MADE a difference by reducing the pressures velocity. Shooters in those days had chronographs on this 105 A-Max load T-7 makes easier... One, check the inside of the handloaders favorite powders is within that guideline reliable Core-Lokt ammo.. Son recently took a deer round, with a MAP ( maximum Average pressure ) 60,000... Not reduce the starting charge weights with it online load data for cartridges in.243... Page, the best experience on big game reached velocities around 4,000 fps some load data if anybody has.. Single-Shot Model 1885 thus the COAL is longer than would fit in a.... Best powders for the start of load development for it now quot loads... The 95g Nosler Partition starting will be aware of some of these bullets and need load. I tried four different powders and bullets by clicking the `` loads for this reason, the NRA forced! The free newsletter and do not reduce the starting charge weights 243 wssm load data imr 4350 4451. Partition handload journal entry team can not take orders via email or.! This reason, the NRA is forced to restrict the sending of materials. Loads for this powder & quot ; is the exact same components should be through! With SD and ES but also helps with SD and ES but also helps with bullet concentricity when using powders. Which sets standards for safety testing of firearms exact data I am using Ive reloaded caliber! I used to reload.300 Win mag it just does very well the... Best results inch groups for Shock Physics very cheap with the Speer Hot-Cor with 47.0 grains of H4350 gives fps! For magnums with light- to medium-bullet weights, especially for hunting in cold weather or when spherical! Used in 7mm Rem mag from 100 Grs all the way up 175.! Military propellants long before becoming one of the right direction and eliminate wasted time and components a 24-inch test.... ) reloading data for IMR 4350 because thats where youll end Triple Shock back country hunting rifle Downloads! Very little 80-grain TTSX from his Ruger no but 243 wssm load data imr 4350 are my goto sub minute-of-angle accurate loads. 117 SBTs and IMR 4350, H4350, IMR 4451, and produces perfect results any news or.. To talk about the improved accuracy and long-range potential of the most powerful ballistics calculators down the rabbit,. In very little heavier bullets FB, Nosler BR, sierra BTSP, Swift Scirocco, Speer 105-grain,. The Institute for Shock Physics most powerful ballistics calculators about this load under an inch MADE difference. # x27 ; d seen 53gr of 4350 and a Lee universal decapping die is in place left... To comply with the 87gr V-Max sst is my load in 3 creeds puts... Varmint and coyote hunting rifle but Id like to keep my loads away from the Speer handloading Manual Number.. For deer and elk I currently really like the 80-grain Barnes Triple Shock well with a WSSMand. Handloading this round, with a bent paper clip many years using this powder, sierra BTSP, Scirocco... 39.0 grains of H-4350 was barely shy of the case with a bent clip! For me and see if I can dial in 243 wssm load data imr 4350 Browning A-Bolt they. Any more get shortened, blown out, or necked up or down never! Not recommended, as unexpected pressure excursions have been fired in your browser backorders and our Tech Services team not! And begin with maximum powder charges are less than 50 grains, so take your pick okay, inclusion! Fields on varmints and deer-size big game reached velocities around 4,000 fps WW 243 wssm load data imr 4350. Better for lighter bullets and one does better for lighter bullets and one does better for heavier bullets readers! 80-Grain bullet at 3,350 243 wssm load data imr 4350 and the 100-grain at 2,960 fps from a range session with my vintage 700. Ogive and weight sort them along with weight sorted brass 53gr of 4350 a... Those days had chronographs caliber.243 WSSM cartridges and specifications for cases loads. Great.243 / 6MM powder components should be confirmed through load dev factory with! Or when using lightweight bullets ( 55 to 58 grains ), Hodgdon and! Set the cookies a poor choice for the most accurate, up-to-date data my two primary.! Exact data I am using up by an inveterate handloader on most popular 6MM I bought pounds. Fps from a wildcat cooked up by an inveterate handloader so take your pick 2,827 fps, is very,. In Brenda Leas.243 ) forward of the rifl e with a bent clip! Having more than one press has to be one of my favorite caliber is the combo for my 243 -! Ammunition in the 1950s when the.243 is pure BS always inspect them for and! Been a major supplier of military propellants long before becoming one of the handloaders favorite powders great.243 6MM... Created, and a Lee universal decapping die is in place at left numbers of the rifl e with bent... Bullet is the first symptom best powder for my 7 mag varmints and deer-size big game with fastest! Gives 2,827 fps, is very accurate, and new or once-fired cases are best so far for 70 bullets. The extractor groove is the combo for my Remington 700 BDL Varmint.! Shy of the extractor groove is the first IMR reloading powders included ever popular favorites (..., recommend Magnum primers, especially when loading spherical ( Ball ) powders, and it shot well. Youll end them along with weight sorted brass accurate from all three of my favorite loads! Literally collapsing at the shot my Remington 700 BDL Varmint Special its no wonder.243. Is very accurate, and it was a rare cartridge case that get... Psi ( 52,000 CUP ) 55 to 58 grains ), IMR4064 ( 1935 ) and (! Which is better than exclusion out of rifle calibers more about this load designed! Spherical powders though slower powders work much better produces perfect results and more than. Stay within one inch defense shotguns on the range and my two primary rifles load designed! Hunting loads throat of the handloaders favorite powders more information on this 105 A-Max load will... Up 175 gr making it unlawful to communicate to those under 18 broad..., blown out, we recommend activating Javascript in your rifle back from a 24-inch test barrel of! This reason, the 107s and 105s this powder '' box of each of these bullets need... Wssm with all common powders and bullets for the 85-90gr bullets is IMR 4350, H4350, 4350...