: 2.790" The .243 Winchester (right) is based on a necked-down .308 Winchester case (left). Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading.Occasionally, we will temporarily publish load data on this page when a bullet becomes available and is not yet listed in the latest edition of the handbook. Is there any use for the IMR 4350 other than 243, and the 6 mm variants. 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. 243 win with 80 gr. I've never had a .243 Winchester that wouldn't shoot a decent 95 -105 gr. During this era, Winchester Rifles and Ammunition was under the same ownership, so the .243 Winchester was introduced in the Model 70 rifle. I've been using IMR 4064 and was wondering if anyone has first-hand data or experience with using IMR 4350,especially if you have used both powders before. 50.0 51.9 53.9 55.8 57.7 58.6 59.1 Accurate Powders A 4350 52.5 54.4 56.3 58.3 Hodgdon H4350 51.1 52.8 54.6 56.3 57.2 57.6 58.0 Alliant Powders RE 19 52.8 54.5 56.2 57.9 59.6 Hodgdon H4831sc 53.1 55.0 56.9 58.8 Alliant Powders RE 22 52.4 54.2 56.1 57.9 59.7 energy ft/lbs 2110 2289 2476 2670 … 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. Load Data &Technical Information by Caliber. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Velocity and pressure readings represent average values obtained under controlled conditions. BlitzKing C.O.A.L. I have taken several deer with the Nosler 95- and 100-grain Partitions and the Hornady InterLock BTSP. New. bullet well over a stiff charge of IMR or H-4350. The handload contained a Hornady 87-grain V-MAX bullet. Nothing found for 223, 308, 6.5g. New. 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. I had a Winchester Model 70 Featherweight action custom built with a 261⁄2-inch No. PRODUCT RECALL. JD338. Around 1982. VIEW RECALL. The loads … Do not reduce the starting charge weights, especially when loading spherical (Ball) powders, and never begin with maximum powder charges. Perhaps what has improved most is the specialized loads that are tailored to maximize performance for a large variety of hunting applications. I have some H4350 I'm thinking of trying. Email * Products . .243 Winchester - Manufacturer Loading Data. 1 .243 Winchester. Much of the accompanying data has been pressure tested and is within that guideline. Nosler Inc  |  Privacy  Use  Order Processing. The values shown may vary substantially with the components and the reloading techniques employed. Reloader 17 and IMR 4350 are very good powders. The .243 typically utilizes powder charges that are between 29.0 and 45.0 grains (although a few charges approach 50.0 grains). It was accurate, especially with handloads, but was heavier than I wanted for a general-purpose varmint and coyote hunting rifle. Smokeless Powder; Muzzle Loading Powder; Branded Merchandise; Resources. Never clocked this load. Data contained herein is intended for use by individuals who are familiar with correct and safe handloading practices … First-class, varmint-style bullets offer unusually high velocities – with the fastest factory load being Hornady’s 58-grain V-MAX at 3,925 fps – and spectacular terminal results. Some cartridges I have used, and give my opinion on this powder and how it performed. 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. 3252 Most Accurate 41.5 3192 Powder Tested 39.5 3132 75% 71% 67% 90% 86% 82% 0.365 Due to internal construction di˜erences, always begin with starting loads when using E-Tip® products. 2.635" Starting Load Grains 37.0 Velocity (ft/s) 3,132 Pressure 44,000 CUP Maximum Load Grains 40.5 Velocity (ft/s) 3,339 Pressure 50,600 CUP 30-06 with 150 grain pill IMR Powder IMR 4320 Bullet Diameter .308" C.O.L. Available in 1-LB and 8-LB … .243 Winchester (IMR Data) reloading data with 15 loads. Current industry maximum average pressure for the .243 is 60,000 psi. Check it out! Best group with Varget, just under 1 inch was 34.5 and no signs of pressure. Trail Boss Reduced Rifle Load. Maximum case length is 2.045 inches, while the trim-to length is 2.035 inches. pill IMR Powder IMR 4320 Bullet Diameter .243" C.O.L. Warnings; Safety Data Sheets; Reference Data… 3224 40.5 3203 38.5 * 3182 IMR 4831 43.5 * MAX. ALL THE LOAD DATA YOU’LL EVER NEED ALL IN ONE PLACE! eld-x item no. Indications are the loads that were not pressure tested are also within those guidelines. Loading Data . I load for my 12 year old daughter's Tikka T3X lite. It is one of those "tried and true classic" 87 gr. 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. h4895 Reduced Rifle Load. Hodgdon Varget often displayed top accuracy with several bullet weights, but the margin by which it edged out other powders was very small. Those two have slightly different load data but one of those two 4350 powders has always been a good performer. If shooting deer at extremely long ranges, a larger cartridge is in order, but at any normal distance, the .243 is a very capable deer cartridge. Having observed the .243’s terminal performance in the field on a variety of game, without question it takes varmints with authority even at long ranges, but some hunters consider it marginal as a deer cartridge. VIEW PRODUCT. In the 5 different .243 Win Rifles I have loaded for over the years, I consistently got better results with slower powders with the heavier bullets, IMR-4350, IMR-4831, H-450, H-4831, Accurate 3100, Reloder 19 and 22, for example. Bullet Name243 Winchester continued #1502 .243" 55 gr. As a reminder, any changes in components will change the pressures, which is especially true when substituting bullets that are of the same weight, changing primers or changing cases. H&R Handi-Rifle (great little … In other words, if a load was developed in a Norma case that holds 56.3 grains of water but the handloader assembles his loads in another case that holds 53.3 grains of water, pressures can jump significantly. Today’s velocity freaks wouldn’t even consider such a load, even though it certainly wouldn’t do elk any good at “timber” ranges. If you bought some IMR-4064, I suggest picking up some lightweight bullets, I have had great results with IMR-4064 and Nosler 55 and 70 gr … Winchester quickly recognized the value of Page’s cartridge and the obvious caliber void in its line of sporting cartridges. The .243 was initially offered with 80-grain bullets intended primarily for varmints, while the 100-grain softpoint was designed for deer. New powders significantly changed the future of this smallbore cartridge. indicates maximum load — use with caution rifle data 103 grain bullets sectional density: 0.249 diameter: 0.243" *103 gr. IMR ENDURON 7977 . Use the data exactly as outlined. This coyote was taken with a Ruger No. Re: .243 Winchester loads Just started loading the 243 in IMR-4350 and Varget. New. Bullets from other manufacturers may not produce equivalent pressure or velocities; therefore, it is not recommended that this data be used with components other than as listed. Most are offered in factory loads but are also available as a component to handloaders. Hodgdon ®, IMR ® and Winchester ® powders neither assume nor authorize any person to assume for it any liability in connection with the use of any product or data. 243 Winchester Load Data; 6mm Remington Load Data; 243 Win Super Short Magnum (WSSM) Load Data; 240 Weatherby Magnum Load Data; 250-3000 Savage Load Data; 257 Roberts Load Data; 257 Roberts Ackley Improved Load Data; 25 Winchester Super Short Magnum Load Data; 25-06 Remington Load Data; 257 Weatherby Magnum Load Data ; 6.5 Grendel Load Data; 6.5 Creedmoor Load Data… Temperature was recorded at 24 degrees below zero. The powder charge weights specified represent loads … IMR 4350 24.5C 3470 39000 IMR 4831 25.0C 3330 33500. I just hate the idea of loading up 20 plus rounds and not see enough difference to matter. When using lightweight bullets (55 to 58 grains), Hodgdon H-4895 and Ramshot Big Game reached velocities around 4,000 fps. Velocities were advertised at 3,500 and 3,070 fps, respectively, but were a bit optimistic, as actual velocities from production rifles were notably below those figures. About; Disclaimer; Contact; Log in / Sign up.270 Winchester - Manufacturer Loading Data… IMR Powders IMR 4350 49.4 51.3 53.2 55.1 57.0 58.0 IMR Powders IMR 4451 End. _____ Min Charge Max Charge Optimal Charge Bullet Make Bullet Type 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. She is clanging a 4 inch center group on a 6 inch plate at 600. You can also click on the image and a pdf version will open in a new window. Powder Bul Weight C.O.L. July 15, 2018. 2 contour Douglas barrel; it proved capable of 1⁄4-MOA accuracy, which was uncommon for that era using common hunting bullets. 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. This is a review of 4350 Rifle 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. Do not substitute bullets of the same weight with a given powder charge, as pressure will usually change, sometimes significantly. RIFLE The rifle data section contains data for most of the popular car-tridges. The .243 Winchester thrives on powders with a burn rate that approximates 4350, so the selection of top-notch extruded and spherical (Ball) powders is extensive, with many offering excellent accuracy. IMR 4350 42.5 MAX. IMR ENDURON ® 4955. Using bullets from Nosler BT LF, Nosler BT, Hornady V-Max, Sierra HP, Barnes VG FB, Speer HP, Hornady HP, Hornady GMX, Sierra BTSP, Barnes TSX, Speer SP, Nosler Part, Speer BTSP, Hornady A-Max, Sierra BTHP. By clicking the 'I Agree' button, I understand/accept and will agree to abide by … Shooting 80-100 grain hunting bullets, a.243 will anchor a buck with authority. It is unclear exactly when noted gun writer Warren Page began experimenting with 6mm/.243-inch wildcats, but it was probably during the early 1940s, which ultimately led to his necking down the .308 Winchester case shortly after it was introduced in 1952. VIEW PRODUCT. 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. Reduced Rifle Loads. V • RIFLE RELOADING DATA INDICATES MAXIMUM LOAD– USE CAUTION LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED. What MV were you getting with IMR4350? 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. Work up tp 42.0 grs. VISIT THE RDC. *Disclaimer: The load data contained on this site is intended for use with Barnes Bullets. I would guess the M70 XTR 22" barrel was pushing it along at 2950ish fps. It became a favorite general purpose pest rifle, but as experimenters do, for no good reason, it was set aside to try other cartridges, loads and rifles. New. Big-game hunters who use 80- to 100-grain bullets will be pleased with the velocities produced by Accurate 2700 and 2520; Hodgdon SUPERFORMANCE, H-4895, Hybrid 100V, Varget, H-4831SC, H-414, Winchester 760, IMR-4350, IMR-4320; Alliant Reloder 17, Power Pro 4000-MR; Ramshot Big Game and Hunter. HP C.O.A.L. Stay up on the latest. For magnums with light- to medium-bullet weights, IMR 4350 is the best choice. RCBS dies were used to develop the accompanying handloads. Lead Free Bullet Data. Powders include IMR The components specified were those that were commer-cially available to the handloader at the time the tests were per- formed. Noslers Rock. Case capacities have been found to vary by over 4.0 grains of water from one manufacturer to the next, which is enough to change the pressures with a given load and is a substantial case capacity percentage change with the .243’s modest powder charge weights. With 115gr DTAC bullets, a.243 rivals a 6.5-284 ballistically out to 1000 yards. 24550 c.o.l. Did a quick look in 3 books and Hogden site. IMR ENDURON 4955. New. IMR ENDURON ® 4451. Accurate 2700 and 2520; Hodgdon 4895, H-4831SC, IMR-4895, IMR-4320; Alliant Reloder 15 and 17; Ramshot Big Game, Hunter; and several others each produced top accuracy with a given bullet and load combination. The bullet entered the left shoulder and exited just forward of the right flank, with the deer literally collapsing at the shot. Right click on the image of the load data and use save as. ALL 55 gr 58 gr 60 gr 62 gr 65 gr 68 gr 70 gr 75 gr 77 gr 80 gr 85 gr 87 gr 90 gr 95 gr 96 gr 100 gr 105 gr 107 gr 108 gr 109 gr 115 gr. 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. Loading data utiliz-ing IMR powders for wads not listed in this Guide may be obtained by contacting the wad manufacturer. Pet Loads and Handloader are registered trademarks of Wolfe Publishing Company. In working with the .243 Winchester, it seemed almost difficult to develop a load that didn’t perform reasonably well. 2.600" Powder /Velocity 3300 3400 3500 3600 3700 Viht N133 35.5 36.5 37.5 IMR-3031 36.2 37.2 38.2 … 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 doesn’t appear that it is going to lose that title anytime soon. .243 Winchester (Hodgdon Rifle Data Using IMR Powder) reloading data with 196 loads. 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. She will take her first Muley this year. My son recently took a deer at around 200 yards using the Barnes 80-grain TTSX from his Ruger No. The bottom line is that the bearing surface, profile and construction differences will usually affect pressures. VIEW RECALL. With modern hunting bullets, it is quite reliable on deer-sized game. 115 SW Columbia St | Bend, Oregon, USA 97702  |  Toll Free: Nosler Showroom / Open to the Public:  Monday - Friday 10:00 am to 5:30 pm PST, Load Data &Technical Information by Cartridge. Www.Imrreloading.Com for the.243 Winchester ( IMR data ) reloading data with 15 loads t offer outstanding performance and probably... Yards using the Barnes 80-grain TTSX from his Ruger No starting charge weights shown be reduced initally by 10 to. Do not substitute bullets of the accompanying handloads with modern hunting bullets, seemed!.243 is 60,000 psi barrel was pushing it along at 2950ish fps had great luck with IMR.. 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The.243 typically utilizes Powder charges bullets, a.243 will anchor a buck with authority,. 2950Ish fps medium-bullet weights, especially when Loading spherical ( Ball ) powders, and give my on...