CMMG 33D430C 8.6 Blackout Barrel Sub-Assembly
CMMG 12.5" 8.6 Blackout barrel sub-assembly with black nitride 4140CM steel. Compatible with CMMG Mk3 and DPMS Gen 1 High-Pattern LR-308 uppers. Accepts 0.750" gas blocks.
Fits: CMMG Mk3
CMMG 8.6 Blackout Barrel Sub-Assembly
The CMMG 33D430C barrel sub-assembly delivers a complete, ready-to-integrate solution for building a serious 8.6 Blackout rifle. This is a purpose-built component for shooters who demand precision and reliability.
Key Features
- Caliber: 8.6 Blackout
- Barrel Length: 12.5 inches
- Material: 4140CM steel with black nitride finish
- Gas Block Compatibility: 0.750" diameter
- Upper Receiver Compatibility: CMMG Mk3 and DPMS Gen 1 High-Pattern LR-308
Why Choose This Barrel
The black nitride finish provides superior corrosion resistance while maintaining a professional appearance. The 12.5" length strikes an excellent balance between velocity and maneuverability, making this barrel ideal for tactical applications, hunting, or precision shooting.
The 8.6 Blackout cartridge offers significant advantages for subsonic shooting and suppressed applications. This barrel sub-assembly simplifies your build process by combining critical components into one integrated unit.
Build-Ready Design
As a sub-assembly, this component arrives with proper headspacing and alignment, reducing assembly complexity and potential fitment issues. Whether you're a seasoned builder or tackling your first custom rifle, this CMMG barrel sub-assembly provides confidence and reliability.
