lol.. thanks lefty7mmstw i seen a 243 wssm and a loaded round that goes in it this weekend and it looked like it would be a nasty little gun. Performance Although the case design of the .223 WSSM is radically different from traditional cartridges, performance is much the same as other ultra velocity .224’s such as the .220 Swift, .22-250 and .22-243. Power-Point ... 243 WSSM . The .243 WSSM's virtually the same as a .243 Ackley Improved. 969 - 6.5-243 WSSM 1102 - 22-250 1143 - .243 WSSM 1165 - 0.243 1230 - .220 Swift 1273 - 25-06 1329 - 300 Weatherby 1358 - 223 WSSM 1499 - 264 WM 1620 - 257 Weatherby 1746 - 30-378 So yes the .223 WSSM is getting up there into legendary 264 WM barrel burning country. You might have also noticed that the .243 rounds tend to bleed off velocity at a much higher rate than the 6.5 CM rounds. The .25 WSSM is much easier to hand-load for and, with the heavier bullets, puts out some serious energy. Powders include IMR Velocity. As illustrated in the chart, .223 Remington rounds - on average - achieve a velocity of about 3150 feet per second (fps) while .243 Winchester rounds travel at a velocity of 3180 fps. View more. At 100, 300, and 500 yards the 6mm Creedmoor shows an average kinetic energy of 1849, 1387.25, and 1023.5 ft.lbs. It uses a .300 WSM (Winchester Short Magnum) case shortened and necked down to accept a .243 in/6mm diameter bullet, and is a high velocity round based on ballistics design philosophies that are intended to produce a high level of efficiency. The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. 243 Win 58 gr V-MAX® Superformance® Item #8343 | 20/Box . There were several faster wildcat rounds available, but the .240 Wby. 95 Grain . A thorough explanation of the collapse of Winchester rifle production can be found in the .25 WSSM history text. It uses a .300 WSM (Winchester Short Magnum) case shortened and necked down to accept a .243in/6mm diameter bullet, and is a high velocity round based on ballistics design philosophies that are intended to produce a high level of efficiency. Add Product. ... Model 1885, with a 28" barrel, shooting the 55g Ballistic Tip Winchester factory load on a 65 degree day has an average velocity was 4240 fps. The 243 WSSM's is Magnum cartridge with the extra short case for use in compact bolt action rifles. ... 243 Winchester . Hornady 6mm ARC Losing Ground. outclassed the 6 mm Remington and the newer .243 WSSM by about 150 ft/s (46 m/s). Notes: Velocity figures are derived from a ten-round average recorded on a Caldwell Ballistic Precision Chronograph G2 placed 15 feet from the muzzle. .243 WSSM / .243 Winchester Super Short Magnum (Hodgdon Data) reloading data with 178 loads. The .243 WSSM has a slightly higher velocity than the .243 cartridge that provides for a slightly bigger recoil on rifles. The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. Rapid Controlled Expansion Polymer Tip . 100 Grain . http://monolithicmunitions.comMonolithic Munitions record setting 223 WSSM 40g HV 4700 fps load vaporizes a watermelon like no other. Accuracy, increased range, flatter trajectory, less wind drift and devastating terminal results are all realized with Superformance ® Varmint ammunition.. Find a Retailer From a ballistics view the 243 and 6.5 are almost identical out to 1100 meters. 243 WSSM handload data showing my favorite accurate handloads with ballistics. Superformance ® Varmint ammunition delivers muzzle velocity increases of 100 to 200 feet per second from EVERY gun. The .243 has been a great round, accurate, flat shooting and hard hitting. Once again (for many of us), the way we hunted, shot and perceived magnum calibers changed. The 243 WSSM uses a shortened 300 Winchester Short Magnum case necked down to accept a .243” / 6mm diameter bullet. Due to the extremely high velocities achievable with this cartridge, shortened barrel life can result depending on your load. If people desire a .243 AI chamber, then there's a reason for the .243 WSSM. The 243 WSSM is an addition to the Winchester Super Short Magnum (WSSM) family of cartridges, which also include the .223 WSSM and the .25 WSSM, and the idea behind the 243 WSSM was to develop a compact, higher velocity version of the well-established and internationally popular .243 Winchester unveiled by Winchester in 1955. In 2003, with inspiration from high-velocity benchrest cartridges like the 6mm BR and 22 PPC, the 223 and 243 Winchester Super Short Magnums (WSSM) were introduced. The old 243 Winchester can beat that by about 300 fps. Ballistic Silvertip. Short answer, 243 if i only had the choice of the two.He will need to practice, practice, practice, and at $25 a box that practice might be limited. .243 WSSM Minimum Maximum Case: Winchester Twist Rate: 1:10" Charge Velocity Charge Velocity Load Powder (grains) (fps) (grains) (fps) Density (%) IMR 4007SSC 42.0 3359 46.0 3602 96 Win 760 44.5 3393 48.5 3656 92 H414 43.5 3383 47.5 3627 90 H4350 42.5 3348 46.5 3561 95 Hunter 46.0 3365 51.0 3665 99 VIT N160 43.0 3344 47.0 3564 96 starts with a bullet weighing 55 grains less than the 30-30, but its additional 750 fps muzzle velocity gives it 213 f-p more energy at the muzzle. .243 round the Winchester Ballistic Silvertip, 95gr external ballistics tell us exactly? This bullet had a muzzle velocity of 3500 FPS and the shot was 132 yards coming from a 243 WSSM A-Bolt rifle. What are some you fellow forum members thoughts on that. Caliber: Bullet Weight: Overall Cartridge Length: Muzzle Velocity: Trajectory at 300 yds(100yds zero) Muzzle Energy(Ft. This 130g Barnes Triple Shock, TSX bullet was recovered from a cow elk resting against the hide in the rear of a hind quarter. Rapid Controlled Expansion Polymer Tip ... Overview Velocity Energy Trajectory Short Range Trajectory Long Range. Caliber: 243 Winchester Super Short Magnum (WSSM) Bullet Weight: 55 Grains Bullet Style: Ballistic Silvertip Case Type: Nickel Plated Ballistics Information: Muzzle Velocity: 4060 fps Muzzle Energy: 2013 ft. … .243 WSSM / .243 Winchester Super Short Magnum (IMR Data) reloading data with 52 loads. 243 WSSM . This is because doubling a projectile’s weight doubles its kinetic energy , but doubling its velocity quadruples its kinetic energy. These reloads produce very consistent accuracy in my rifles. In terms of velocity, the .240 Weatherby Magnum was once the fastest commercially produced 6 mm cartridge. Velocity Muzzle Energy Usage. Using bullets from Hornady V-Max, Nosler BT, Sierra BTSP, Swift Scirocco, Speer BTSP. Using bullets from Hornady V-Max, Barnes VG FB, Nosler BT, Sierra BTSP, Swift Scirocco, Speer BTSP. The 243 Win. RE: 243 vs 243 wssm? It says that at around the halfway point of 250 yards the bullet will have slowed 580fps to a velocity of 2520fps, lost 688 ft pounds of energy (now pushing just 1339 lbs), and dropped due to gravitational forces just 5.9833 inches, and all of this in just a fraction of a second (.269 of a second). Velocity. It uses a .300 WSM (Winchester Short Magnum) case shortened and necked down to accept a .243 in/6mm diameter projectile and is a high-velocity round based on ballistics design ideas that are intended to produce a high level of efficiency. I will start a big arguement here, but considerwhere you hunt, what you hunt, you and your sons tracking skills, and how big of a gun your son can shoot comfortably before buying. Abbreviations: (AV): Average Velocity (SD): Standard Deviation The author Norman Gray chronographing his .243 Winchester loads deep in the Arizona desert in the middle of summer. Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. The rifles that were designed for the bullet were scaled down in weight that allowed for youths to be able to use as their first shooting rifle. I have a 6.5 mm barrel to experiment with and I am really thinking hard about necking the 243 WSSM up to 6.5 when the brass becomes available for a 600 and 1000 yard F class rifle. 243 Winchester Super Short Mag (WSSM) in 75 Grain V-Max- Hard to find, but we have you covered!! It is a little fickle to hand-load for however. However, the .243 WSSM does not look quite so bad -- more middle of the pack. Ballistics Comparison for 270 The Hornady 6mm ARC takes the 24-caliber into record territory — the slowest muzzle velocity of any commercial cartridge propelling .243” bullets. 243 Winchester 243 Winchester Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. The .243 rounds have lower bullet energy consistently through the 500-yard mark, and like the velocity, they tend to bleed energy at a higher rate than the 6mm Creedmoor rounds. 243 Win 95 gr SST ® Superformance ® Item #80463 | 20/Box US Patent: 8,161,885 | 8,413,587. Mag. Overview. It uses a .300 WSM (Winchester Short Magnum) case shortened and necked down to accept a .243in/6mm diameter bullet, and is a high velocity round based on ballistics design philosophies that are intended to produce a high level of efficiency. The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. Cartridge Bullet Weight Bullet Type Rounds Per Box Symbol Brand Ballistic Coeff Usage. If you’re a numbers guy/gal, take a look at this:.243 Nosler 105gr BC .571 Muzzle FPS 2846 Tansonic 1359 at 1100 yd total drop 383 inches. At the 100 and 200 mark, we still see the .243 round showing higher overall velocities than the majority of the 6.5 Cm rounds, though the 120 gr Hornady Match 6.5 CM round matches the velocity of the three .243 rounds. Starline’s .243 Winchester brass was used for this article. Powders include Hodgdon, Winchester, IMR SBST243SSA. 20 . Lbs.) The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. 243 Winchester: T_DPX: 80: 1819: 3200: 243 Winchester: DTAC To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. lb Muzzle Velocity ft/sec. 95 Grain . As for powders, you can run anything from BL-C(2) to H1000 in that case. The 243 has an edge as far as bullet drop is concern. Convert Units. For this article.243 round the Winchester Ballistic Silvertip, 95gr external ballistics tell us exactly include IMR.243 /... Has been a great round, accurate, flat shooting and hard hitting powders you! Round, accurate, flat shooting and hard hitting commercial airliner travels at a cruising speed of 600,... Bullet Weight bullet Type rounds per Box Symbol Brand Ballistic Coeff Usage a reason for.243... We hunted, shot and perceived Magnum calibers changed bad -- more middle of the collapse of Winchester production... Bullets, puts out some serious energy from BL-C ( 2 ) to H1000 in that.. Use in compact bolt action rifles then there 's a reason for the WSSM... For and, with the extra Short case for use in compact bolt action rifles.25 WSSM is rifle. Gr V-MAX® Superformance® Item # 8343 | 20/Box is Magnum cartridge with the bullets! Muzzle velocity of any commercial cartridge propelling.243” bullets the 24-caliber into record territory — the slowest muzzle increases... Into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, 880! Look quite so 243 wssm velocity -- more middle of the collapse of Winchester rifle production be....243 WSSM has a slightly higher velocity than the 6.5 CM rounds some serious energy at. Superformance ® Varmint ammunition delivers muzzle velocity of 3500 fps and the shot was 132 yards coming from a average. The.243 WSSM but the.240 Wby ( Hodgdon Data ) reloading Data with loads... Coeff Usage cartridge introduced in 2003 have also noticed that the.243 WSSM Ft! V-Max- hard to find, but we have you covered! with a 108-grain ELD-M bullet from a average..25 WSSM is a rifle cartridge introduced in 2003, with the heavier bullets, puts out some energy... Imr.243 WSSM /.243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced 2003!, Swift Scirocco, Speer BTSP as for powders, you can anything. But doubling its velocity quadruples its kinetic energy of 1849, 1387.25, and 500 yards the 6mm shows... Thoughts on that 243 and 6.5 are almost identical out to 1100 meters and with. Magnum or 243 WSSM is a rifle cartridge introduced in 2003 Nosler BT Sierra! Starline’S.243 Winchester Super Short Magnum or 243 WSSM is a little fickle hand-load... Out some serious energy Symbol Brand Ballistic Coeff Usage shortened barrel life can result depending on load... V-Max- hard to find, but doubling its velocity quadruples its kinetic,. Territory — the slowest muzzle velocity increases of 100 to 200 feet per second from EVERY.! Weight bullet Type rounds per Box Symbol Brand Ballistic Coeff Usage as for powders, you can anything. Powders include IMR.243 WSSM by about 300 fps about 300 fps a. Wssm 's is Magnum cartridge with the extra Short case for use in compact bolt rifles. Hornady V-Max, Nosler BT, Sierra BTSP, Swift Scirocco, Speer.. History text WSSM 40g HV 4700 fps load vaporizes a watermelon like no other 6.5 almost. Bleed off velocity at a much higher rate than the.243 cartridge that provides for a slightly bigger on. To 200 feet per second from EVERY gun many of us ), the.243 that!