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The .243 Winchester (6×52mm) is a popular sporting rifle cartridge. Developed as a versatile short action cartridge to hunt both medium game and small game alike, it "took whitetail hunting by storm" [ 2 ] when introduced in 1955, and remains one of the most popular whitetail deer cartridges.
The .243 Winchester Super Short Magnum or .243 WSSM is a rifle cartridge introduced in 2003. 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. [2]
The round is optimised for bullets heavier than 100 grains to improve performance at long ranges - .243Win typically uses bullets lighter than 100 grains. [4] It is touted as being one of the most accurate long-range 6 mm rounds in the world that is designed for repeating rifles. [citation needed] The 6XC is now a CIP standardized case. [5]
WSM and WSSM family of cartridges. From left to right: .223 WSSM, .243 WSSM, .25 WSSM, .270 WSM, 7 mm WSM, .300 WSM, .325 WSM. Winchester Super Short Magnum, or WSSM is a line of rebated bottlenecked centerfire short magnum cartridges introduced by the U.S. Repeating Arms Company (Winchester Inc). [1]
Common calibers can be thought of as in the deer hunting, target shooting and bench rest range. .243 Winchester, 6mm Remington, 6mm BR, .260 Remington, 6.5mm Creedmoor, 6.5×55mm, 6.5x47, 6.5 TCU, .270 Winchester, 7mm-08 Remington, 7mm BR Remington, 7mm TCU, 7x57mm, .30 TC, .308 Winchester, and .30-06 Springfield. The limiting factor is the ...
Another influence was a series of 6 mm cartridges developed for bench-rest target shooting competitions in the 1970s. The idea behind these cartridges was that a short, fat cartridge would be more "efficient" than the traditional long, narrow cartridge, as more of the powder column would be in the immediate vicinity of the primer as it detonated.
For short-range target shooting, typically on ranges up to 50 meters, or 55 yards, with low-powered ammunition like a .22 long rifle, aerodynamics is relatively unimportant, and velocities are low compared to velocities attained by full-powered ammunition.
Musgrave is a brand of firearms from South Africa.They are noted for their bolt-action target and hunting rifles, in particular the Musgrave RSA Target Rifle.. Musgrave was started in 1950 by Ben Musgrave and his sons, restocking and accurizing surplus service rifles before developing their own line of hunting and target rifles.