DPMS 5.56 10.5" FSB CAR Brace AR Pistol W/ A2 Carry Handle Brand: DPMS Barrel Length: 10.5" Barrel Profile: A2 Barrel Steel: Chrome Moly Vanadium Barrel Finish: Nitride Chrome Lining: No Muzzle Thread Pattern: 1/2" x 28 Twist Rate: 1:7 Barrel Extension: M4 Gas System Length: Carbine Diameter at Gas Block: .750" Gas Block Type: F-marked Front Sight Base Muzzle Device: A2-style Receiver Material: Forged 7075-T6 Receiver Type: M4 Handguard Type: M4 with heat shields, Black Bolt Material: Carpenter 150 Steel Bolt Carrier Profile: Full Auto Fire Control Group: DPMS FCG Grip: A2 Pistol Brace: DPMS Adjustable CAR Style Blade Brace Red/Green 4 stage optic with Red Laser with pressure switch Features This DPMS AR-15 pistol features a 10.5" chrome moly 5.56 NATO barrel with a 1/7 twist, M4 extension, and carbine gas system. Includes a classic handguard, F-marked gas sight base, and A2 flash hider. The MIL-SPEC 7075-T6 A3 AR upper is hard coat anodized with forward assist and dust cover. A detachable A2 carry handle is included. A full-auto profile bolt carrier group with a Carpenter No. 158 steel bolt and staked gas key ensures reliability. The 7075-T6 aluminum lower is hard coat anodized, and fitted with a DPMS CAR Style Blade Brace, 6-position buffer tube, and mil-spec single-stage fire control group.