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 and Buffer Spring. It has a Mil-Spec Tube Diameter for Proper Fit to Specified Manufacturer's Range for the Sig Brace etc. Made in USA.

Features:

Fits most AR-15 and AR variants
Military diameter threads for maximum fit into AR-15 receiver
Limited lifetime warranty

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