Expo Arms 7075 AR-15 Buffer Tube - Carbine

MilSpec/GI AR-15 6 Position Carbine Buffer Tube - Black

ONE HORSE AR15 Buffer Tube Kit Carbine Buffer

Timber Creek AR Buffer Tube, Black - AR BT BL

NcStar Ar15 Buffer Tube Commercial Spec Aluminum Recoil Compatible

TacFire H2 AR-10 Rifle Buffer Tube Kit Black

Timber Creek Outdoors Buffer Tube Kit for AR-15, Red - ARBTKR

Guntec USA AR15 A2 Buffer Tube Kit Aluminum Rifle Length Matte Ar15