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CMMG AR-15 Barrel Sub Assembly 16.1" Medium Taper Profile .300 AAC Blackout 4140 Chrome Moly Salt Bath Nitride Finish Matte Black

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Part Number: RSRCMMG30D120A
UPC: 815835016238
Brand: CMMG
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, Medium taper profile, ,Carbine length gas port .750" gas block Journal,
Availability: Out of Stock.0
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CMMG is excited to be able to be able to offer you high quality AR-15 barrel sub assemblies made from high quality materials on precision machinery by skilled manufacturers. All of which adds up to the quality and performance you have come to expect from CMMG.

This particular barrel is chambered in the .300 AAC Blackout cartridge and is 16.1" long. The barrel is made from 4140 Chrome Moly Steel and features the ultra durable Salt Bath Nitride finish both inside and out.

Features:

  • CMMG 30D120A
  • .300 AAC Blackout
  • 16.1" Barrel
  • Medium Taper Profile
  • 1:7" Twist Rate
  • Threaded 5/8x24
  • Carbine Length Gas System
  • .750" Gas Journal
  • M4 Barrel Extension
  • Factory Headspaced
  • 4140 Chrome Moly
  • Salt Bath Nitride Finish (Inside and Out)
  • Matte Black
Fits:
  • AR-15 Mil-Spec Upper Receiver Assemblies

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