CMMG’s Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension. The barrel is constructed of 4140 chrome moly with a slat bath nitride finish and 5/8×24″ threads.
-36%
CMMG 30DF80A Barrel Sub-Assemb
$103.12 Save:$58.00(36%)
Description
