Del-Ton AR-15 A3 Flat-Top Upper Assembly 5.56x45mm NATO 1 in 9" Twist 20" Government Contour Barrel Chrome Moly Matte with A2 Handguard, Flash Hider

Product #: 233217 Del-Ton #: DT1030
$432.99

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Product Information

This Del-Ton Rifle A3 Flat-Top AR-15 Upper Receiver comes complete and fully assembled, ready for installation onto any mil-spec lower receiver. The Forged 7075 T6 Aluminum upper features a 20" Government Contour Barrel, F-Marked Front Sight Assembly, 2-Piece Polymer A2-Style Handguards with heat shield and an A2 Flash Hider. The barrel's 5.56x45mm NATO Chamber, M4 Feed Ramps and 1 in 9" Twist rifling ensure reliable feeding and functioning with a wide variety of both commercial and higher pressure military surplus ammunition. This full size Rifle upper wrings the greatest velocity and highest performance from 223 Remington/5.56 NATO ammunition, as well as offering a significantly smoother recoil impulse and longer sight radius than any 16" carbine.

The Bolt Carrier is machined from 8620 Steel for strength, incorporates a properly staked, chrome lined gas key, and houses a Carpenter 158 Steel Bolt that has been High Pressure Tested and Magnetic Particle Inspected (MPI) to guarantee a consistent, structurally sound part. This upper is an excellent choice for both the first time buyer and seasoned AR aficionado looking for a quality product at a good price.

Technical Information
  • Upper Receiver: A3 Flat-Top
  • Barrel Length: 20"
  • Barrel Contour: Government
  • Barrel Material: 4140 Chrome Moly Vanadium Steel
  • Muzzle Thread Pattern: 1/2"-28
  • Chrome Lined: No
  • Barrel Finish: Manganese Phosphate (Parkerized)
  • Twist Rate: 1 in 9"
  • Chamber: 5.56x45mm NATO
  • M4 Feed Ramps: Yes
  • Muzzle Device: A2 Flash Hider
  • Gas System Length: Rifle
  • Gas Block Diameter: 0.750"
  • Handguard: 2-Piece Polymer A2-Style w/Heatshield
  • Sights: F-Marked Fixed Front, No Rear

Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.

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