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In C.I.P. regulated countries, every rifle cartridge combination has to be proofed at 125% of this maximum C.I.P. pressure to be certified for sale to consumers, referred to as "PE". This means that 5.7×28mm chambered arms in C.I.P. regulated countries are currently (2018) proof tested at 4,313 bar (431 MPa; 62,555 psi) PE piezo pressure. [7]
The AR-57 PDW upper is a new design on AR-15/M16 rifles, blending the AR-15/M16 lower with a lightweight, monolithic upper receiver system chambered in 5.7×28mm. This model is also sold as a complete rifle, supplied with two 50-round P90 magazines. [1]
5.7×28mm submachine guns (4 P) Pages in category "5.7×28mm firearms" The following 2 pages are in this category, out of 2 total. This list may not reflect recent ...
The 5.7×28mm cartridge was created by FN Herstal in response to a NATO requirement that called for a replacement for the 9×19mm Parabellum cartridge, which is commonly used in pistols and submachine guns. [18] The 5.7×28mm cartridge weighs 6.0 g (93 grains)—roughly half as much as a typical 9×19mm cartridge—allowing the same number of ...
It was originally named the MMJ 5.7mm [1] 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, (or 5.7×33mm internationally). In 1963, Melvin M. Johnson developed a conversion of the M1 Carbine (by either relining or re-barreling the M1 Carbine ) to a .224 caliber bore, using ...
Kel-Tec CNC Industries Inc., commonly referred to as KelTec, [1] is an American developer and manufacturer of firearms. Founded by George Kellgren in 1991 and based in Cocoa, Florida, the company has manufactured firearms since 1995, starting with semi-automatic pistols [2] and expanding to rifles and then shotguns.
Ruger-57 – Semi-automatic pistol chambered for the 5.7×28mm cartridge; Smith & Wesson M&P 5.7 – Semi-automatic pistol chambered for the 5.7×28mm cartridge; Thompson/Center Contender – The Thompson/Center Contender is a break-action single-shot pistol or rifle that was introduced in 1967 by Thompson/Center Arms. It can be chambered in ...
Montana Rifle Company: Montana Rifle Company: United States Civilian Morini: Morini: Switzerland Civilian Mossberg O.F. Mossberg & Sons: United States MP Mechanical Plant Izhmekh: Russia Civilian, combat Air guns, less-lethal weapons MTs Model' TsKIBa TsKIB's Model TsKIB SOO, Tula Arms Plant: Russia / USSR Civilian [N 2] Musgrave Ben Musgrave ...