Utg Buffer Tube Ar-15 - Mil-spec 6-position

FEATURES
-6-position receiver extension tube with mil-spec diameter for AR-15 rifles
-Precision machined from 6061-T6 aircraft grade aluminum
-Matte black anodizing with mil-spec, Type III hardcoat, Class II
-Tightest tolerance control for zero-gap fit with polymer stock & receiver
-100% proudly made in the USA