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Cmmg Bbl 300blk 16.1" Mr 4140cm Sbn

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$189.95
SKU:
RPVCMMG30DF80A
UPC:
815835011028
Shipping:
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Product Overview

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

Features :
  • 1:7 Twist 4140 Chrome moly
  • 5/8X24 thread pitch
  • Multi Role profile
  • ,Carbine length gas port .750" gas block Journal, 300 Blackout chamber,

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