CMMG 300BLK 12.5" Pistol Nitride 4140 Barrel .750 Gas Diameter

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Your Price: $199.95

Part Number: 815835062761-30D8A0A

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Description

CMMG 300BLK 12.5" Pistol Nitride 4140 Barrel .750 Gas Diameter

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.

12.5"
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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CMMG 300BLK 12.5" Pistol Nitride 4140 Barrel .750 Gas Diameter

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