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ArmaLite AR-15 with the charging handle located on top of the upper receiver, protected within the carrying handle and a 25-round magazine. 1973 Colt AR-15 SP1 rifle with "slab side" lower receiver (lacking raised boss around magazine release button) and original Colt 20-round magazine.
Colt later abandoned the CAR-15 concept, but continued to make carbine variations, using the "M16" brand for select-fire models and the "Colt AR-15" brand for semi-automatic models. However, in present usage, "CAR-15" is the generic name for all carbine-length variants made before the M4 carbine .
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 ...
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.
After the Vietnam War, Colt would mainly focus its attention to carbines with 14.5-inch (370 mm) or 20-inch (510 mm) barrels, but continued to make carbines with 11.5-inch (290 mm) barrels, which they called Commandos. The first of which was the Colt Model 733, which was created from whatever spare parts Colt had lying around.
The KS family of rifles was unveiled at military small arms conventions in 2022 as being developed for an international special operations forces (SOF) requirement. [1] In September 2023, the British Armed Forces selected the KS-1 rifle under Project Hunter to replace the L85A2-A3 and L119A1-A2 rifles used by the British Army Special Operations Brigade and elements of the Royal Marines ...
The lower receiver will also accept older mil-spec M16 or M16 upper receivers with an adapter. Receivers will be available that accept 5.56×45mm NATO rounds, 6.8×43mm Remington SPC rounds, 7.62×39mm rounds, and 7.62×51mm NATO rounds. Each upper receiver has its own rail system, which allows scopes, or other optics to be pre-sighted for each ...
The M5 carbine system was developed by Colt as an improvement on the M4 carbine. It incorporates a fully ambidextrous lower receiver, free-floating barrel and lengthened upper rail. The M5 carbine has four possible barrel lengths: 10.3, 11.5, 14.5 and 16.1 inches.