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Brand: CMMG
CMMG 12.5" .300 BLK 1:7 Pistol Length Multi-Role AR-15 Barrel - CMMG30D8A0A
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Original price was: $179.95.$149.95Current price is: $149.95.
Only 5 left in stock
Description
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.
- 12.5″
- Multi Role Profile
- 4140 Chrome Moly
- Salt Bath Nitride Finish inside and out
- 1:7 Twist
- 300 AAC Blackout Chamber
- Threaded 5/8-24
- Pistol length gas port
- .750 Gas Journal
Additional information
| Weight | 28.8 oz |
|---|---|
| Dimensions | 14.5 × 3 × 3 in |
| Finish | Nitride / Melonite |
| Barrel Profile | Multi Role |
| Cartridge Compatibility | 300 BLK |
| Gas Block Journal | 0.75 |
| Barrel Length | 12.5 |
| Gas System Length | Pistol |
| Platform | AR-15 |
| Twist Rate | 1:7 |
| Muzzle Thread Pattern | 5/8×24 |
| MPN | CMMG30D8A0A |
| UPC | 815835016276 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
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John P. 
US
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5.0
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JP
US
10/30/2025
300 blkout
just exactly what i wanted at a reasonable price.
