DPMS AP4 Barrel AR-15 5.56x45mm NATO M4 Contour 1 in 9" Twist 16" Chrome Moly Matte with Front Sight Base
- Length: 16"
- Material: 4140 Chrome Moly Steel
- Contour: M4
- Chamber: 5.56x45mm NATO
- Twist Rate: 1 in 9"
- Chrome Lined: No
- Finish: Parkerized
- M4 Feed Ramps: Yes
- Muzzle Thread Pattern: 1/2"-28
- Gas Port Location: Carbine
- Exterior Diameter at Gas Port: 0.750"
- Extras: Forged Front Sight Base, Handguard Cap, Barrel Nut
- Front Sight Post, Detent and Spring sold separately
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