MPN: APRH100118


  • Made from high-quality 4150 CMV steel barrel blanks
  • High Pressure Tested (HPT) and Magnetic Particle Inspection (MPI)
  • Coated with QPQ corrosion resistant finish


  • Caliber: .308 Win.
  • Profile: Heavy
  • Finish: QPQ Nitride
  • Gas Placement: Rifle-Length
  • Gas Seat: 0.750"
  • Twist Rate: 1:10
  • Weight: 3.31 lbs.
  • Material: 4150 Chrome Moly Vanadium Steel
  • M4 Feed Ramps: Yes
  • Muzzle Thread Pattern: 5/8”-24


  • DPMS Gen I pattern LR308 rifles

*Will not fit DPMS Gen 2 pattern rifles


If you want to build a workhorse of a rifle that can shoot magazine after magazine of .308 Winchester, the Aero Precision 18-Inch Heavy Profile Barrel is an excellent option. This heavy profile barrel is made to sustain rapid-fire and will not overheat as quickly as a pencil or government profile barrel.

The Perfect Combination

The barrel is made from high-quality 4150 CMV steel barrel blanks. CMV or Chrome Moly Vanadium steel is corrosion resistant and great at heat dissipation while being super durable and strong. It is used in all Mil-Spec M4 rifles used by the US military. The barrel is 18 inches long and weighs 3.31 lbs. It is rifled with a 1:10 twist rate and threaded to allow muzzle device mounting. The gas port on this barrel is placed at rifle length, which is ideal for an 18-inch long barrel.


The Aero Precision 18-Inch Heavy Profile .308 CMV Barrel is tested for quality using multiple methods. It is High pressure tested (HPT) and Magnetic Particle Inspected to make sure that there aren't any micro imperfections or tears on the metal surface. The barrel is coated with a QPQ corrosion-resistant finish to ensure longevity as well.

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  • This Item: Aero Precision 18-Inch Heavy Profile .308 CMV Barrel
    MSRP: $249.99
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