The purpose of the CQBR is to provide operators with a weapon of submachine gun size, but firing an intermediate cartridge, for scenarios such as VIP protection, urban warfare, and other close quarters battle (CQB) situations. The CQBR is designed to provide improvement over previous AR-15 / M16 -type weapons in this category.

近战机匣 （Close Quarters Battle Receiver (CQBR)）， 美軍 定名為 Mk 18 Mod 0，亦被暱稱為 近戰步槍。 CQBR是藉由更換 M4卡賓槍 的上 機匣 及短槍管改裝而成的近战步槍，槍管只有10.3英寸（260毫米），可算是現代化版本的 柯爾特突擊型 （Colt Commando）。

近戰機匣 （Close Quarters Battle Receiver (CQBR)）， 美軍 定名為 Mk 18 Mod 0，亦被暱稱為 近戰步槍。 CQBR是藉由更換 M4卡賓槍 的上 機匣 及短槍管改裝而成的近戰步槍，槍管只有10.3英寸（260公釐），可算是現代化版本的 柯特突擊型 （Colt Commando）。

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 Colt M4 cqb-r AEG is a great two-tone Desert tan and black airsoft M4 gun. Fully licensed Colt trademarks/logo M4 airsoft carbine with rails. Gun is primarily polymer built with some metal components. The rail system, upper/lower body, furniture, stock …

2023年3月31日 · CQBR stats, including exclusive are better than Stingray. BUT, if you don't have proper trigger control, you might get a little too happy and blast everything including the chickens and the walls, and before you know it, you will have no ammo left.

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.

The Close Quarter Battle Receiver (CQBR) is an alternative upper receiver for the M4A1 Carbine. It was developed by the US Navy. A M4 upper receiver with a shortened barrel of 10.5” inches in length and has two variants, the Mod 0 and Mod 1.

2022年8月15日 · The CQBR Upper Receiver is a drop in replacement for the M4A1 standard upper receiver and when installed is known as the Mk18 by type-designation. It was originally intended to replace the 9mm MP5 series of sub-machine guns with a weapon firing the common 5.56mm round capable of penetrating body armor, while …

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