CMMG Inc Barrel Sub-Assembly Multi Role Profile 5.56mm 12.5in 4140CM Salt Bath Nitride
by CMMG
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Perfect for building a custom AR-15 upper group. Include: properly installed M4 barrel extension; headspaced barrel sub-assemblies; 5.56x45 NATO chamber; 12.5" Multi Role Profile length; 4140 Chrome Moly; Salt Bath Nitride (inside and out); 1:7 twist; 1/2-28 threads; carbine length gas port; gas journal .750".
Specifications
- Manufacturer:
- CMMG
- Category:
- barrel
- Caliber:
- 5.56x45mm NATO
- Platforms:
- AR-15
- Length:
- 12.5"
- Estimated velocity:
- 2,450-2,825 fps
- UPC:
- 815835016221
- MPN:
- 55DDF0A
- Required Component:
- Yes
Estimate only. Based on caliber + barrel length bucket. View details
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