The .22 Spitfire (AKA: 5.7mm MMJ, 5.7mm Johnson, .22 Carbine, .22 Schuetz, .22 Oresky, .22 Casull, 5.7mm MMJ Johnson, .22-30 Carbine, .22 MMJ Spitfire) is a Center Fire cartridge with a Bullet Diameter of 0.224 in” (5.69mm) that is primarily used in Rifles. The .22 Spitfire originated in (UNKNOWN ORIGIN) in (UNKNOWN DATE). The .22 Spitfire also has a case length of 1.29 in” (32.77mm) and an overall length of 1.65 in” (41.91mm).
Additional Cartridge Designations: Wildcat Cartridge.
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