Brownells AR-15/M16 Mil-Spec 6-Position Buffer Tube

The Brownells AR-15/M16 Mil-Spec 6-Position Buffer Tube is a drop-in replacement buffer tube designed to meet military specifications for AR-15 and M16 platform rifles. It features a 6-position adjustable design compatible with standard mil-spec collapsible stocks. Built to mil-spec dimensions, it ensures proper fit and function with mil-spec diameter buttstocks, offering reliable performance and durability for carbine-length rifle builds and upgrades.