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May 15, 2026CMMG 33D430C Barrel Sub-Assembly 8.6 Blackout 12.50″ Black Nitride 4140CM Barrel
$258.45
CMMG 33D430C Barrel Sub-Assembly 8.6 Blackout 12.50″ Black Nitride 4140CM Barrel
1 in stock
SKU: TSW|170859
Category: AR Barrels
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.
| UPC | 810148628734 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part Number | 33D430C |
| Length | 12.50" |
| Model | Barrel Sub-Assembly |
| Rate of Twist | 1:3" |





