The LBE Mil-Spec Buffer Tube kit comes with everything. This includes the Receiver Extension tube, castle nut, lock plate recoil buffer & buffer spring. These components are proudly made in the United States.
This buffer tube kit is designed to be installed on an AR-15 lower receiver. The receiver extension tube easily threads into the rear of your AR-15 receiver. The supplied end plate will retain the selector detent and cover the rear portion of the receiver. The castle nut will ensure a secure fit to the end of your rifle. This kit is also supplied with a buffer assembly, as well as an AR-15 recoil spring. These components are designed to work with a standard AR-15 or M16 bolt carrier group.