Bushmaster Modular Carbine

Bushmaster Modular Carbine Bushmaster's 16" Modular Carbine combines many of the most requested Bushmaster Modular Accessories for the AR Type Rifle. It is built around an A3 type Flattop Upper and has a 16" Chrome Lined Chrome Moly Steel fluted barrel with a milled gas block. A B.M.A.S. Four Rail Free-Floater Tubular Forend combined with the A3 type Flattop Upper Receiver provide all the Picatinny rails necessary for mounting a wide variety of sight, scopes or accessories. Free-floating means that nothing touches the barrel from the barrel nut forward - avoiding any possibility of barrel deflection or accuracy degradation. Molded Rubber Rail Sure Grips snap over the rail sections on the handguard to add comfort and protection. The rear flip-up sight is a dual aperture B.M.A.S. detachable unit with a windage knob calibrated to 1/2 Minute of Adjustment. The B.M.A.S. front flip-up sight clamps around the milled front gas block. It folds down to allow scope use with the touch of a button and incorporates an elevation adjustable M16A2 front sight post. The Pistol Grip is an ambidextrous design molded of hard urethane with a stipple finish to provide a solid non-slip grip. It is ergonomically contoured to comfortably position the hand and finger for proper trigger pull. The forged, lightweight, 7075T6 aircraft quality aluminum receivers include cartridge case deflector, last round bolt hold open and raised ribs for magazine release button protection Specifications Action: Semi-automatic Type: AR-15 Caliber: 223 Rem Barrel: Length 16" Finish/Color: Black Grips/Stock:6 Position Coll and ErgoGrip Accessories: Four Rail Handguard Type of Barrel: Fluted and A2 Birdcage Sights: Flip Up magazine Capacity:30 Rounds