Advanced Technology Mil-Spec AR-15 Buffer Tube Kit

Advanced Technology AR 15 Mil Spec Buffer Tube Kit The Advanced Technology Int. Military-Spec Buffer Tube Assembly fits most AR-15 and AR Variants. It is not compatible with .308 Rifles. It is constructed of Military Type III Anodized, 6061 T6 Aluminum and is virtually indestructible. This package includes a Steel Military Grade E-Coated Castle Nut and Locking Ring along with a AR-15 Recoil Plug & Buffer Spring. Made in USA. Features: Fits most AR15 and AR Variants AR-15 Military-Spec Buffer Tube Virtually indestructible