The upper is equipped with a 20" Target-Crowned Bull Barrel, 223 Remington chamber, and employs a versatile 1 in 8" rifling twist rate capable of stabilizing both light and heavy weight projectiles. Additional features include a free-floating aluminum handguard, single rail gas block, charging handle and complete bolt & carrier assembly. Aluminum parts are hard coat anodized to mil-spec, steel parts are manganese phosphate treated (parkerized) matte black.
- Upper Receiver: Flat-Top Lo-Profile, Slickside
- Barrel Length: 20"
- Barrel Contour: Bull
- Barrel Material: 416R Stainless Steel
- Muzzle Thread Pattern: None, Target Crown
- Chrome Lined: No
- Barrel Finish: Matte Gray
- Twist Rate: 1 in 8"
- Chamber: 223 Remington
- M4 Feed Ramps: No
- Muzzle Device: N/A
- Gas System Length: Rifle
- Gas Block Diameter: 0.936"
- Handguard: Rifle Length Aluminum, Free Float
- Sights: None
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: Commercial
- Extras: Single Rail Gas Block
- Does NOT include or have provision for Forward Assit, Shell Deflector or Dust Cover
NOTE: All DPMS upper receivers are factory test fired for functionality before shipment.