Advanced Armament Co (AAC) AR-15 A3 Flat-Top Upper Assembly 300 AAC Blackout (7.62x35mm) 1 in 7" Twist 16" Barrel with KAC URX II Free Float Quad Rail Handguard, Blackout Flash Hider
10% off. Used coupon code dcarry for discount
300 AAC BLACKOUT Upper Receiver Assembly