AR-Stoner Barrel AR-15 5.56x45mm NATO M4 Contour 1 in 9" Twist 16" Chrome Moly Phosphate

Product #: 834998 AR-Stoner #: B556CM41619(P)
Ships 12/01/2015 from MidwayUSA
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  • Information
This AR-Stoner M4-Contour AR-15 Barrel is fully chambered and ready for installation onto a host upper receiver. The barrel features a true 5.56x45mm NATO Chamber for use with both commercial and military surplus ammunition, while the 1 in 9" Twist Rifling is capable of stabilizing light to medium weight projectiles of up to about 69 grains. The barrel's M4 Contour sheds excess weight and bulk, and comes complete with the military standard M203 cut. This barrel is an excellent choice for a low budget, general purpose AR rifle build that's perfectly suited for use at the range, in a 3-Gun match, or in the field pursuing game. Barrel extension and locator pin are both included and factory installed.

Technical Information:
  • Length: 16"
  • Weight: 1.775 lbs.
  • Material: 4140 Chrome Moly Steel
  • Contour: M4
  • Chamber: 5.56x45mm NATO
  • Twist Rate: 1 in 9"
  • Chrome Lined: No
  • Finish: Manganese Phosphate (Parkerized)
  • M4 Feed Ramps: Yes
  • Muzzle Thread Pattern: 1/2"-28
  • Gas Port Location: Carbine
  • Exterior Diameter at Gas Port: 0.750"

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