KAK Industry AR-15 Carbine Buffer Tube Kit Mil-Spec Black

KAK Industry AR-15 mil-spec carbine buffer tube kit complete with receiver extension, carbine buffer, castle nut, end plate, and chrome silicon buffer spring. Constructed from durable 7075 aluminum with a black hard coat anodized finish. Features a 6-position adjustable design and is compatible with standard AR-15 buffers and springs.