UTG Pro AR-15 Mil-Spec 6 Position Buffer Tube Bronze

This UTG Pro receiver extension is a 6 position, mil-spec diameter carbine buffer tube for AR-15 rifles in a matte bronze finish. It threads into a standard AR-15 lower and takes a mil-spec diameter collapsible stock.

The tube is aluminum and has 7 inches of usable depth. It works with a standard AR-15 carbine buffer or a 9mm buffer, and with an AR-308 2.5 inch short buffer.