Advanced Colt Carbine-Monolithic

The Colt's Manufacturing Company Advanced Colt Carbine-Monolithic is an improved version of the M4 carbine presented to the United States military at a conference as a possible replacement for the M16 rifle and M4 carbine within the military.

Design

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 cost-effective than completely replacing the weapons with a whole new carbine with a different control layout and different overall ergonomics and handling characteristics that require new and different training and maintenance protocols.

New-made ACC-Ms carry the model numbers "R0922" (S-1-3) and "R0923" (S-1-F). There is also a version of the R0923 with an 11.5" (Colt Commando) barrel known as the "R0923CQB."

Users

While adoption of the carbine in the US Military remains unknown, the weapon is seen in service in some law enforcement agencies:

See also

External links


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