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The Monolithic Rail Platform (MRP) [3] was created by the company, a one-piece, Picatinny-topped AR-15-pattern upper receiver made from a forged aluminum block. [4] The MRP upper receiver has a quick-change barrel system. [5] Its top rail position matches M4 and E3-type weapons for optical and sight compatibility. [6]
The Close Quarter Battle Receiver (CQBR) [5] is a replacement upper receiver for the M4A1 carbine developed by the US Navy.. The CQBR features a 10.3 in (262 mm) length barrel (similar to the Colt Commando short-barreled M16 variants of the past) which makes the weapon significantly more compact, thus making it easier to use in, and around, vehicles and in tight, confined spaces.
The system's heart is a common lower receiver housing an enlarged magazine well that will accommodate 5.56×45mm rounds using a STANAG magazine or larger caliber ammunition than NATO 5.56×45mm rounds using either a proprietary magazine or an SR-25 pattern magazine, [2] ambidextrous controls for the bolt release mechanism, magazine release, and ...
A disassembled Mauser action showing a partially disassembled receiver and bolt. In firearms terminology and law, the firearm frame or receiver is the part of a firearm which integrates other components by providing housing for internal action components such as the hammer, bolt or breechblock, firing pin and extractor, and has threaded interfaces for externally attaching ("receiving ...
Charlton Automatic Rifle: Charlton Motor Workshops: 7.70×56mmR (known as .303 British) Detachable box magazine New Zealand: 1941 Chauchat: SIDARME Gladiator: 8.00×51mmR French: Detachable box magazine France: 1907 Ckm wz. 30: Państwowa Fabryka Karabinów: 7.92×57mm Mauser: Ammunition belt Poland: 1930 Colleoni machine gun — 6.50×52mm ...
A Special Purpose Receiver built by NWSC Crane Division, mounted on an M16A1 lower receiver The SOPMOD program also introduced the Special Purpose Receiver (SPR), a 16-or-18 in (406-or-457 mm) barreled upper receiver that would be mated to an M4A1 lower receiver to allow the weapon to serve as a designated marksman rifle (DMR).
The OOW240 GPMG (General Purpose Machine Gun) is similar to the FN M240 but with a select fire trigger group, which is capable of semi-automatic and fully automatic fire. Ohio Ordnance Works also sells the same select fire trigger group separately and is compatible with the FN M240 and other FN MAG variants.
Compatible with Hi-Point C9, CF380, JCP, and JHP parts. Extremely cheap due to the high availability of the required parts kits. Scz0rpion [48] 2020, October Receiver: CZ Scorpion Evo 3 receiver FDM Are We Cool Yet? 9×19mm Parabellum: First 3D printed frame to be successfully tested with 1000+ rounds full auto in one sitting without failure ...