DPMS Barrel AR-15 5.56x45mm NATO Heavy Contour 1 in 7" Twist 20" Chrome Moly Matte with Front Sight Base

Product #: 446479 DPMS #: BL-10P
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  • Information
This DPMS AR-15 Heavy Barrel is fully chambered and ready to install on an upper receiver. The 20" Heavy Contour Barrel is machined from 4140 Chrome Moly Steel and features versatile 1 in 7" Twist Rifling that is ideal for use with light- to medium-weight projectiles of up to about 69 grains. The barrel's true 5.56x45mm NATO chamber and M4 feed ramps ensure reliable feeding and safe functioning with either commercial or higher pressure military surplus ammunition. The barrel comes equipped with a Recessed Target Crown and includes a factory-installed forged front sight base, barrel nut, handguard cap, barrel extension and locator pin. Front sight post, detent and spring are NOT included.

NOTE: This barrel comes without a bayonet lug and lacks muzzle threading for legal compliance in states where such features are restricted.

Technical Information:
  • Length: 20"
  • Material: 4140 Chrome Moly Steel
  • Contour: Heavy
  • Chamber: 5.56x45mm NATO
  • Twist Rate: 1 in 7"
  • Chrome Lined: No
  • Finish: Parkerized
  • M4 Feed Ramps: Yes
  • Muzzle Thread Pattern: None, Target Crown
  • Gas Port Location: Rifle
  • Exterior Diameter at Gas Port: 0.750"
  • Extras: Modified Front Sight Base (No Bayonet Lug) , Handguard Cap, Barrel Nut
  • Front Sight Post, Detent and Spring sold separately

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