Search results
Results from the WOW.Com Content Network
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.
This infobox may be used to describe a particular planned or executed military operation or attack. Template parameters This template has custom formatting. Parameter Description Type Status Name name The name of the military operation String suggested See also {{ Infobox civil conflict }} {{ Infobox civilian attack }} {{ Infobox military conflict }} Microformat The HTML markup produced by ...
The Colt ACC-M (Advanced Colt Carbine-Monolithic) adds Colt's proprietary, monolithic Mil-Std-1913 rail system (quad rail) forward hand guard to the normal M4 carbine upper receiver. Colt M4 Carbines and Colt M4A1 Carbines can be easily and relatively inexpensively modified/upgraded into ACC-Ms by replacing the upper receiver, which is more ...
M4 (5.56×45mm NATO) (the U.S. Army was upgrading and retrofitting their existing stock of M4 carbines to the specifications of the M4A1, starting in 2014 and was predicted to be completed by 2020) [needs update] Mk 18 Mod 0 CQBR (Close Quarters Battle Receiver) (5.56×45mm NATO) (USMC Recon, USCG DSF, USN SEALs, USSOCOM, and USASOC)
A trademark dispute between Bushmaster and Colt's Manufacturing Company concerned the use of the "M4" name. The M4 was developed and produced for the United States government by Colt, which had an exclusive contract to produce the M4 family of weapons until 2009. [6]
A carbine (/ ˈ k ɑːr b iː n / or / ˈ k ɑːr b aɪ n /), [1] from French carabine, [2] is a long arm firearm but with a shorter barrel than a rifle or musket. [3] Many carbines are shortened versions of full-length rifles, shooting the same ammunition, while others fire lower-powered ammunition, typically ranging from pistol/PDW to intermediate rifle cartridges.
The Close Quarters Battle Receiver (CQBR) was originally a Special Operations Peculiar Modification (SOPMOD) program item that would increase the close quarters maneuverability of the M4A1 by mating the lower receiver with a 10.3-inch (262 mm) barreled upper receiver; with the CQBR installed, the weapon would then be classified as the Mk. 18 ...
Service history; In service: 2012–present: Wars: ISIL insurgency in the Philippines Islamic State insurgency in Iraq (2017-present) Production history; Manufacturer: Remington Arms Company Government Arsenal: Produced: 2012 – c. 2020: Specifications; Barrel length: R4 Patrol/Operator/Enhanced: 11.5 in (290 mm) R4 Patrol/Operator/Enhanced ...