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HK VP70M, HK VP70Z HK P9: HK P9S, HK P9K: HK P7: HK PSP, HK P7M8, HK P7M13, HK P7M10, HK P7K3, HK P7M7, HK P7PT8: HK USP (Universal Self-loading Pistol) HK USP Standard, HK USP Compact, HK USP Tactical, HK USP Expert, HK USP Elite, HK USP Match, HK P8: HK Mark 23 (also known as Mark 23 Mod 0 or HK SOCOM) HK P2000: HK P2000SK: HK P30: P30L ...
Prototype derived from the HK54A1, first developed for the JSSAP between 1982 and 1983. It was intended to spawn a "family" of modular all-purpose submachine guns. Unique for HK, the SMG I used a simple blowback operation with separate lower and upper receivers and an easy-to-remove 5.8-inch barrel with an integral suppressor.
Developed by Alliant Techsystems, with Heckler & Koch as a major subcontractor, the most commonly seen version of the XM29 consisted of a semi-automatic 20×28mm smart grenade launcher, an underslung "KE" assault carbine (derived from the HK G36 then in its late developmental stage) firing a standard 5.56×45mm NATO round, and a top-mounted computer-assisted sighting system with integrated ...
The M4 carbine barrel is 368 mm (14.5 in) and the XM8 barrel is 317 mm (12.5 in) but the rifles have the same overall length. Although a shorter barrel generally results in lower muzzle velocity, Polygonal rifling partially compensates for the loss of velocity from a shorter barrel. An electronic round counter was proposed for the XM8.
The quick-change cold hammered chrome-lined barrel is an integral part of the barrel assembly and has a heat shield and a carrying/barrel exchange handle, gas port and front sight attached. After around 300 rounds of rapid fire, the gun operator has to replace the hot barrel with a new cool(er) one. Non-observance of this technical limitation ...
With the exception of the short-barreled model, FABARM shotguns are sold with their Tribore barrel which is a deep-drilled, machined barrel with three separate internal bore profiles. Beginning at the chamber and forcing cone, the bore is enlarged to .7401" to soften recoil while the second profile is in the middle of the barrel gradually ...
The HK P9 is a semi-automatic pistol from Heckler & Koch in 9×19mm Parabellum, .45 ACP, and 7.65×21mm Parabellum and the first to use a variation of H&K's roller delayed blowback system in a pistol format and polygonal rifling [1] now common in H&K designs.
It is loaded using a pepper-box-like assembly, containing five sealed barrels each containing an electrically-fired projectile. Two styles of barrel assembly can be used: one containing five 7.62×36mm flechette darts for use underwater, or five 133-grain bullets for use above water. [1]