DPMS Barrel AR-15 Pistol AP4 5.56x45mm NATO M4 Contour 1 in 9" Twist 14.5" Chrome Moly Matte
- Length: 14 1/2 inches
- Material: Chrome Moly Steel
- Contour: AP4 (NATO M4)
- Chamber: 5.56 x 45 mm
- Twist Rate: 1 in 9 inches
- Chrome Lined: Yes
- Finish: Matte Black
- M4 Feed Ramps: Yes
- Muzzle Thread Pattern: 1/2 x 28 TPI
- Gas Port Location: Carbine
- Exterior Diameter at Gas Port: .750 inches
Please Note: An “AR-15 Pistol” barrel is less than 16” in length. Pistol barrels are only for use on AR-15 pistol lowers and legal Short-Barreled Rifles. Other configurations may violate Federal law.
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