The Advanced Technology Int. AR-15 Pistol Buffer Tube Assembly fits most AR-15 and AR Variants. It is not compatible with AR-10 or .308 Rifles. It is constructed of Military Type III Anodized, 6061 T6 Aluminum and is virtually indestructible. The assembly package includes a Steel Military Grade E-Coated Castle Nut and Locking Ring along with a AR-15 Recoil Plug & Buffer Spring. It has a Mil-Spec Tube Diameter for Proper Fit to Specified Manufacturers Range for the Sig Brace, etc. Made in USA.
- Fits most AR-15 and AR Variants
- Military Diameter Threads for Maximum Fit into AR-15 Receiver
- Limited Lifetime Warranty