The M153GN are Armalite's flagship competition rifles that are built to win. This carbine is compact, light, and ultra-fast. The low profile handguard covers a free-floating 18-in. barrel with Armalite's own tunable muzzle brake. An adjustable gas block also allows the rifle to be individually set for optimal performance.
Gas system: Adjustable
Charging handle: "Raptor" Ambidextrous
Model: M-15 3-Gun
Caliber: 5.56X45 mm / .223
Barrel: 18" stainless steel
Rifling Twist: 1:8" RH
Muzzle Device: Armalite tunable brake
Front Sight Base: 2" MIL-STD 1913 rail section at forward 12 o'clock position of handguard
Upper Receiver: Forged, flat-top with MIL-STD 1913 rail, 7075-T6 aluminum
Lower Receiver: 7075-T6 aluminum forged
Trigger: Timney 3 lb. single-stage
Stock: MBA-1 light weight precision adjustable for length-of-pull and comb height
Overall Length: 39.5" / 40.5"
Weight: 7.8 lbs.
Finish: Anodized aluminum upper/lower receiver