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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 ...
All Discussions Screenshots Artwork Broadcasts Videos Workshop News Guides Reviews ... M4A1 CQBR. Description ... Update: Mar 17, 2021 @ 11:53am - Added variant with Magpul CTR stock - Fixed minor issues. Discuss this update in the discussions section. Update: Jan 22, 2020 @ 11:01am - Initial public release.
The M4CQBR is a modification of M4A1 with a replacement upper receiver that developed by the US Navy. The purpose of the CQBR remains to provide operators with a weapon of submachine gun size, but firing a rifle cartridge.
A lot of open-source information is available from the military on the M4 and its variants—the M4A1, MK18, and MK12 Special Purpose Rifle (SPR) —including pages upon pages of online photos and videos of troops downrange using various rifle and carbine set-ups.
The CQBR, designated Mk 18 Mod 0, is a variant of the M4 family of carbines. Designed for Close Quarters Battle (CQB), the CQBR is significantly shorter than its M4 / M4A1 cousins, with a barrel-length of 10.3 inches compared to the M4's 14.5 inches.
The Close Quarter Battle Receiver (CQBR) is a replacement upper receiver for the M4A1 Carbine. The CQBR replaces the M4 with a barrel 10.3 in (262 mm) length, making it the modern equivalent of the Colt Commando short-barrel M16 variants of the past. Its preliminary National Stock Number was...
22 sty 2020 · The M4A1 CQBR is a modified M4A1 developed by the United States Navy for special units. The weapon's most significant difference is its shortened 10.3 inch barrel which makes it ideal for confined spaces such as ships or vehicles.
