SB Tactical 699618782653 AR Pistol Buffer Tube

AR Pistol Buffer Tube - Black Aluminum 1.2 Dia. w/ Collar. The STDT-C Collared Pistol Buffer Tube is a standard, functioning, AR pistol buffer tube that is designed to minimize SB Tactical brace rotation and slippage. Features & Specifications: Machined collar functions as a brace stop. Collar adds 1.75? of standoff from the receiver. 7075 T6 type III aluminum. Diameter: 1.2 OAL: 8.3