M4A1
IN PRODUCTION
The M4A1 is a fully automatic variant of the M4 carbine, a shorter and lighter version of the M16A2 assault rifle. It fires the 5.56×45mm NATO round and is the primary service rifle for many U.S. military units.
Quick Overview
Manufacturer
Colt / FN Herstal
Origin
United States
Production
1994 - Present
Dimensions
Overall Length
756mm (29.8 in) stock extended, 673mm (26.5 in) stock retracted
Barrel Length
368mm (14.5 in)
Weight
3.1 kg (6.8 lb) loaded
Mechanical
Action Type
Gas-operated, direct impingement
Trigger Type
Single-stage
Sights Type
Adjustable iron sights, MIL-STD-1913 rail for optics
Magazine Capacity
30 rounds standard
Additional Information
action
Gas-operated, direct impingement
finish
Anodized aluminum upper/lower receivers, phosphated steel
stock_material
Telescoping polymer
barrel_material
Steel, chrome-lined