CMMG 300BLK 8" Pistol Nitride 4140 Barrel .750 Gas Diameter
CMMG 300BLK 8' Pistol Nitride 4140 Barrel .750 Gas Diameter

CMMG 300BLK 8" Pistol Nitride 4140 Barrel .750 Gas Diameter

Part Number:30D810A
Your Price: $169.95
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CMMG 8" Pistol Nitride 4140 Barrel .750 Gas 300BLK 300 AAC

Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.

NOTE: CMMG now uses +0.002" Head Space gauges which is the new industry standard. Customers trying to use standard gauges will find they do not check correctly.

8.0″
Medium Taper 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

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