.22 Spitfire

The .22 Spitfire is an American wildcat rifle cartridge developed by Col. Melvin M. Johnson. It was originally named the MMJ 5.7mm by its designer and is also known in the U.S. as the 5.7mm Johnson, the Johnson MMJ 5.7mm Spitfire, and the .22 Johnson,.

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Wikidata
.22-30 Carbine; 5.7mm Johnson; 5.7×33mm; MMJ 5.7mm Johnson
rifle cartridge, 

.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 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, .243 Winchester Super Short 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, .30-06 JDJ, .30-378 Weatherby Magnum, .300 Remington SA Ultra Mag, .300 Ruger Compact Magnum, .300 Savage, .300 Weatherby Magnum, .303 Savage, .303/22, .303/25, .308 Norma Magnum, .308 Winchester, .32 Remington, .32 Winchester Special, .325 Winchester Short Magnum, .33 Winchester, .333 Jeffery Flanged, .338 Federal, .338 Marlin Express, .338 Norma Magnum, .338 Remington Ultra Magnum, .338 Winchester Magnum, .338 Xtreme, .338-06, .338-378 Weatherby Magnum, .340 Weatherby Magnum, .348 Winchester, .35 Remington, .35 S&W Auto, .35 Whelen, .35 Winchester, .356 Winchester, .357/44 Bain & Davis, .358 Norma Magnum, .358 Winchester, .375 Dakota, .375 Remington Ultra Magnum, .375 Ruger, .375 Viersco Magnum, .375 Weatherby Magnum, .375 Whelen, .375 Winchester, .376 Steyr, .38 ACP, .38-40 Winchester, .38-56 WCF, .38-72 Winchester, .40-65 Winchester, .400 H&H Magnum, .400 Jeffery Nitro Express, .416 Barrett, .416 Remington Magnum, .416 Ruger, .416 Taylor, .416 Weatherby Magnum, .425 Westley Richards, .444 Marlin, .45 Schofield, .45-90 Sharps, .450 Bushmaster, .450 Nitro Express, .450 Rigby, .450/400 Nitro Express, .458 Express, .460 Weatherby Magnum, .465 H&H Magnum, .470 Capstick, .475 A&M Magnum, .475 Linebaugh, .476 Nitro Express, .50 Beowulf, .50-140 Sharps, .50-90 Sharps, .500 A-Square, .500 Black Powder Express, .500 Maximum, .500 No. 2 Express, .500 S&W Special, .500 Wyoming Express, .577 Snider, .577 Tyrannosaur, .577/.500 Magnum Nitro Express, .585 Nyati, .600 Overkill, 30×29mm, 4.25mm Liliput, 5.45×18mm, 6.5mm Grendel, 6.5×47mm Lapua, 6.8 mm Remington SPC, 6mm Lee Navy, 7.65×21mm Parabellum, 7.65×53mm Argentine, 7×20mm Nambu, 7×64mm, 8×56mmR, 9.3×62mm, 9.3×64mm Brenneke, 9mm Glisenti, HK 4.6×30mm, 40mm grenade, rifle, 

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Location: KML, Cluster Map, Maps,

Frameless

Type	Subtype	Date	Description	Notes	Source