Cmmg Bbl 300blk 16.1" Mr 4140cm Sbn
CMMG
$167.99
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CMMG
Cmmg Bbl 300blk 16.1" Mr 4140cm Sbn
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
Features :
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,
