.243 Winchester Super Short Magnum

The .243 Winchester Super Short Magnum or .243 WSSM is a rifle cartridge introduced in 2003. It uses a .300 WSM 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 correct name for the cartridge, as listed by the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI), is 243 WSSM, without a decimal point. Winchester has discontinued the manufacture of 243 WSSM ammunition. As of the first half of 2016, Winchester/Olin did manufacture and release for sale some WSSM ammunition. The product is only manufactured periodically, often at inconsistent intervals.

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.243 WSSM; 243 WSSM
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.14-222, .17 Ackley Bee, .17 Hornet, .17 Mach IV, .17 Winchester Super Magnum, .17-223, .20 Tactical, .20 VarTarg, .218 Bee, .219 Donaldson Wasp, .219 Zipper, .22 BB, .22 BR Remington, .22 CHeetah, .22 Remington Automatic, .22 Remington Jet, .22 Spitfire, .22 Winchester Automatic, .22 Winchester Centerfire, .221 Remington Fireball, .222 Remington Magnum, .222 rimmed, .223 Remington, .224 Boz, .224 Weatherby Magnum, .224-32 FA, .225 Winchester, .240 Apex, .240 Weatherby Magnum, .244 H&H Magnum, .246 Purdey, .25 NAA, .25 Remington, .25 Stevens, .25 Stevens Short, .25 Winchester Super Short Magnum, .25-06 Remington, .25-21 Stevens, .25-25 Stevens, .25-35 Winchester, .256 Newton, .260 Remington, .264 Warrior Magnum, .270 British, .270 Weatherby Magnum, .270 Winchester Short Magnum, .275 H&H Magnum, .276 Enfield, .276 Pedersen, .280 British, .280 Remington, .284 Winchester, .30 Newton, .30 R Blaser, .30 RAR, .30 Remington AR, .300 Remington SA Ultra Mag, .300 Weatherby Magnum, .303 Savage, .303/22, .32 Remington, .333 Jeffery Flanged, .338 Norma Magnum, .338 Remington Ultra Magnum, .35 Remington, .35 Whelen, .357/44 Bain & Davis, .358 Winchester, .375 Weatherby Magnum, .376 Steyr, .400 H&H Magnum, .416 Barrett, .45-90 Sharps, .460 Weatherby Magnum, .476 Nitro Express, .50-140 Sharps, .500 A-Square, .500 Black Powder Express, .500 No. 2 Express, .500 S&W Special, .577 Snider, .577/.500 Magnum Nitro Express, .600 Overkill, 4.25mm Liliput, 7.65×21mm Parabellum, 7.65×53mm Argentine, 9.3×62mm, 9.3×64mm Brenneke, cartridge, 40mm grenade, 

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Wssm2m

WSM and WSSM cartridges. From left to right: .223 WSSM, .243 WSSM, .25 WSSM, .270 WSM, 7mm WSM, .300 WSM, .325 WSM

243 WSSM, 243 Winchester, 22-250 and 223 Remington cartridges comparision.

Type	Subtype	Date	Description	Notes	Source
commons	image		Wssm2m		Commons
commons	image		WSM and WSSM cartridges. From left to right: .223 WSSM, .243 WSSM, .25 WSSM, .270 WSM, 7mm WSM, .300 WSM, .325 WSM		Commons
commons	image		243 WSSM, 243 Winchester, 22-250 and 223 Remington cartridges comparision.		Commons