Factory Colt 10.3" 5.56 with FSP and barrel nut1/7 twist chrome lined barrel gov profile barrel. HPT/MPI with an M4 barrel extension.  Gas Port size is .070  

 

 

All NFA/ATF Rules Apply.You may not install barrels less than 16" in length on a firearm unless it is a Registered SBR, Machine Gun, or Pistol. Possession of these barrels along with a Non-NFA Firearm is Prohibited, except when installed on a Pistol.

UPC
MFG Colt
MODEL Colt 10.3" CQB Barrel - Factory Complete
LENGTH 10.3"
TITLE Colt 10.3" CQB Barrel - Factory Complete

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