-M4 Carbine-

Colts M4 Carbine is a more compact four-position butt stock version of the M16A2 weapons system.

Name: M4 Carbine.

Model: RO979.

Finish: Black anodized receiver; black oxide barrel.

Action: Safe/Semi/3 Shot Burst, gas operated.

Caliber: 30 rounds.

Barrel Length: 14.5 inches with step cut (That allows mounting of M-203).

Overall Length: 29.8 inches to 33 inches.

Rifling Twist: RH; 1 turning 7 inches.

Rifling Grooves: 6.

Trigger: Smooth.

Sight Radius: 14.5 inches.

Weight: 6.65 lbs (empty).

Cycle Rate: 700-950 rpm.

Special features: Optional flat top receiver. Cartridge case deflector for left handed shooting. Can be field stripped without special tools.