TacFire MAR110 AR15 A2 Buffer Tube Kit 223 Remington/5.56 NATO Mil-Spec Black Aluminum TacFire's AR15 A2 style Mil-Spec buffer tube kit allows for the acceptance of a standard A2 stock for either as a replacement or a transition from a 6-position stock. Type: Buffer Tube Kit Model: AR15 Dimensions: 6' L Size: 223 Remington/5.56 NATO Material: Aluminum Finish: Black
