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Bushmaster AR-15 A3 Complete Upper Receiver - 5.56 NATO, 11.5"

BUSHMASTER FIREARMS

SKU: 210000008009

Availability: In stock

CA$849.95

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Details

Details

Bushmaster AR15 A3 Complete Upper Receiver

This drop-in A3 upper will attach to virtually any standard AR-15 lower receiver. The assembly comes complete with a magpul flip up rear sight, charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. The barrel's 5.56x45mm NATO chamber, M4 feed ramps, chrome lining, and 1 in 9" twist rate ensure reliable feeding and functioning with a wide variety of both commercial and surplus ammunition.

Features:

  • Upper Receiver: A3 Flat-Top
  • Barrel Length: 11.5"
  • Barrel Contour: HBAR
  • Barrel Material: 4140 Chrome Moly Vanadium Steel
  • Muzzle Thread Pattern: 1/2"-28
  • Chrome Lined: Yes
  • Barrel Finish: Manganese Phosphate (Parkerized)
  • Twist Rate: 1 in 9"
  • Chamber: 5.56x45mm NATO
  • M4 Feed Ramps: Yes
  • Muzzle Device: Removable A2 Flash Hider
  • Gas System Length: Carbine
  • Gas Block Diameter: 0.750"
  • Handguard: 2-Piece Polymer, CAR-Style w/Heatshield
  • Sights: F-Marked Fixed Front, Magpul MBUS Rear Sight
  • Bolt Carrier Assembly Included: Yes
  • Bolt Carrier Type: Commercial

    Comes with:

    • Bushmaster AR-15 A3 Complete Upper Assembly
    • Complete Bolt Carrier Assembly
    • Charging Handle
    • Fixed Post Front Sight
    • Folding Rear Sight
    • Manual

      This is a Restricted Firearm Part

      Additional Info

      Additional Info

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