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16" 450 Bushmaster AR15 A3 Complete Upper Assembly

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Our Price: $600.00
We currently have 1 available.
Item Number: UCBM91700
Manufacturer: Bushmaster
Manufacturer Part No: 91700

This drop-in A3 upper will mount to virtually any standard AR-15 mil-spec lower receiver. With a velocity of 2200 FPS, the Hornady 250 Grain SST/FT bullet in the 450 Bushmaster "Thumper" is designed for all large North American game. Though not a long distance cartridge, accuracy has proved to be exceptional out to 200 yards with felt recoil similar to a 20 gauge shotgun. The tubular aluminum forend allows the barrel to free float from the nut forward, and chrome lining in both bore and chamber makes for long barrel life and easy cleaning.

Complete with a charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. Features a versatile flat top for mounting optical devices or accessories. Includes 5 round mag.

  • Upper Receiver Type: A3 Flat-Top
  • Barrel Length: 16"
  • Barrel Material: Chrome Moly Steel
  • Muzzle Thread Pattern: 11/16"-24
  • Chrome Lined: Yes
  • Barrel Finish: Black Matte
  • Twist Rate: 1 in 24"
  • Chamber: 450 Bushmaster
  • Muzzle Device: Izzy Muzzle Brake
  • Gas System Length: Carbine
  • Handguard: Free Float
  • Sights: None
  • Bolt Carrier Assembly Included: Yes
  • Extras: 5 round mag

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