5.7x33mm Johnson Spitfire, 40gr JSP, Box of 50
OUT OF STOCK: One Box of 50 Catridges: 5.7x33mm Johnson Spitfire, Please Click on Picture or Title for More details.
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One Box of 50 Catridges: 5.7x33mm Johnson Spitfire, newly made with new brass and loaded with a 40 grain JSP (Jacketed Soft Point ) projectile .
History of the 5.7x33mm Johnson Spitfire Cartridge: The idea for a lite machine gun in .22 caliber did not start with the FN P90 in 5.7x28mm, which was a hot item in the early 2010’s and still today.It started way back in the 1960’s. One of them was the 5.7×33 Johnson Spitfire, (.22/.30 Carbine) designed by a Boston lawyer and Captain in the Marine Corps Reserve named Melvin Johnson Jr.. Mr. Johnson turned away practicing law, to his passion, cartridge/rifle design earlier in 1937 to designed, built, and successfully tested both a semi-automatic rifle and a prototype light machine gun (LMG). One of his last postwar ventures was in 1963, when he introduced a 5.7 mm caliber version of the M1 Carbine, aka “the Spitfire”.Johnson promoted the smaller caliber and the modified 22/30 carbine as a survival rifle for jungle or other remote areas.While the concept had some military application when used for in the selective-fire M2 Carbine, it was not pursued and very few 5.7mm Spitfire carbines were produced. This is basically a military Wildcat, or now aproprietary cartridge as a few have been produced commercially.