DPMS Mark 12 Barrel AR-15 5.56x45mm NATO Heavy Contour 1 in 8" Twist 18" Stainless Steel Black Pre-Ban
- Length: 18"
- Material: 416R Stainless Steel
- Contour: Heavy
- Chamber: 5.56x45mm NATO
- Twist Rate: 1 in 8"
- Chrome Lined: No
- Finish: Teflon Black
- M4 Feed Ramps: Yes
- Muzzle Thread Pattern: 1/2"-28
- Gas Port Location: Rifle
- Exterior Diameter at Gas Port: 0.750"
- Weight: 2.65 lbs
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