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CMMG

CMMG 30D810A Barrel Sub-Assembly 300 Blackout 8" Black Nitride Finish 4140 Chromoly Steel Material Pistol Length with Medium Taper Profile for AR-15

Product Code : 815835016283

$136.99

Mfg Item #: CMM30D810A

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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.

Caliber.300 AAC BLACKOUT

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