CMMG 33D190C Barrel Sub-Assembly 8.6 Blackout 16.10" Black Nitride 4140CM Barrel
Kick off the 8.6 Blackout rifle build with a CMMG 16.1" barrel featuring the sleek, corrosion-resistant nitride finish. Compatible with CMMG Mk3 and DPMS Gen 1 High-Pattern LR-308 upper receivers. Accepts 0.750" diameter gas blocks.