16.1\" 300 AAC BLACKOUT
$265.45
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16.1\" 300 AAC Blackout Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. Description: 16.1″ Multi Role Profile 4140 Chrome Moly Salt Bath Nitride Finish inside and out 1:7 Twist 300 AAC Blackout Chamber Threaded 5/8-24 Carbine length gas port .750″ Gas Journal
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