CMMG 16.1″ MR 300AAC Blackout Barrel – 1:7 Twist

$149.95 $129.95

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

Multi Role Profile
4140 Chrome Moly
Salt Bath Nitride Finish inside and out (Melonite)
1:7 Twist
300 AAC Blackout Chamber
Threaded 5/8-24
Carbine length gas port
.750″ Gas Block Journal


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