Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO

Product Family #: 3163128752
$432.99 - $463.99

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Product Information

This Del-Ton 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 2-Piece Polymer Handguards and an A2 Flash Hider. The barrel's 5.56x45mm NATO Chamber and M4 feed ramps ensure reliable feeding and functioning with a wide variety of both commercial and surplus ammunition using light- or heavy-weight projectiles.

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. This is a pre-ban upper receiver assembly.

Technical Information
  • Upper Receiver: A3 Flat-Top
  • Barrel Length: 16" or 20"
  • Barrel Contour: Lightweight, M4, Government or Medium
  • Barrel Material: 4140 Chrome Moly Vanadium Steel
  • Muzzle Thread Pattern: 1/2"-28
  • Barrel Finish: Manganese Phosphate (Parkerized)
  • Twist Rate: 1 in 7" or 1 in 9"
  • Chamber: 5.56x45mm NATO
  • M4 Feed Ramps: Yes
  • Muzzle Device: A2 Flash Hider
  • Gas System Length: Carbine, Mid or Rifle
  • Gas Block Diameter: 0.750"
  • Handguard: 2-Piece Polymer 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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