12.5" 8.6 Blackout barrel sub-assembly in nitrided 4140CM steel, compatible with CMMG Mk3 and DPMS Gen 1 high-pattern LR-308 upper receivers and accepting 0.750" gas blocks.
- Manufacturer Part # : 33D430C
- Type : Barrel Sub-Assembly
- Caliber : 8.6 Blackout
- Barrel Length : 12.5"
- Thread Pitch : 5/8x24
- Material : 4140CM Steel
- Finish : Black Nitride
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