Cmmg Bbl 300blk 8" 4140cm Sbn

Cmmg Bbl 300blk 8" 4140cm Sbn

CMMG
UPC:
815835016283
$145.69
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Description
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. ALL NFA RULES APPLY

Features :
  • "8.0";"Medium Taper Profile"
  • 4140 Chrome Moly
  • Salt Bath Nitride Finish inside and out
  • 1:7 Twist
  • 300 AAC Blackout Chamber
  • Threaded 5/8-24
  • Pistol length gas port
  • .750 Gas Journal