CMMG MR 12.5in 5.56mm Carbine Length Barrel (55DDF7C)

CMMG MR 12.5in 5.56mm Carbine Length Barrel (55DDF7C)


CMMG-55DDF7C

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Type: Barrels


  • 4140CM SBN
  • Multi Role Profile
  • 4140 Chrome Moly
  • Salt Bath Nitride Finish inside and out
  • 1:7 Twist
  • 5.56x45 NATO Chamber
  • Threaded 1/2-28
  • Carbine length gas port
  • .750" Gas Journal
  • "F" Marked Front Sight Base
Caliber 5.56x45 NATO Chamber
Barrel Type Multi Role Profile
Length, in 12.5"
Material 4140 Chrome Moly
Twist Rate 1:7
Thread Pitch 1/2-28


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