TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5 Barrel

AR-300 Unassembled Pistol Build Kit Features TacFire s AR-300 Unassembled pistol build kit includes a black parkerized barrel with a 1:8 twist rate 5/8x24 spiral fluted Krink style forwarder muzzle device; a Slim M-Lok free-float handguard; 7075-T6 billet aluminum stripped upper; 5.56 bolt carrier group; Mil-Spec charging handle dust cover forward assist heavy buffer pistol length gas tube low profile gas block; complete pistol buffer tube A2 pistol grip and lower parts kits all made in