This new BCA AR15 pistol BC-45 in 45acp comes with one 13 round Glock magazine (G21 magazine) , 7.5" M4 threaded barrel , bufferless blowback gas system, SB Tactical folding arm brace, and lifetime warranty from BCA. Insured shipping is $45.00 to the continental U.S. where allowed and no card fees added at Deals on Guns. BCA website; BC-45ACP | 45 ACP Right Side Charging Bufferless Pistol | 7.5" Parkerized M4 Barrel | 1:16 Twist | Blow Back Gas System | Talon 5” MLOK Split Rail |