Out of stock
Bushmaster .450 20" Barrel Flat-Top Complete Upper Assembly - 91702
Out of stock

Bushmaster .450 20" Barrel Flat-Top Complete Upper Assembly - 91702

SKU 792649
Brand Bushmaster
Model Number 91702
UPC 604206917027
Customers must read Compliance Information before purchasing.

Product Details


  • Type: Flat-Top
  • Handguard: Black Free-Floating
  • Caliber: 450 Bushmaster
  • Barrel Type: Heavy
  • Barrel Length: 20"
  • Barrel Material: Steel
  • Twist Rate: 1:24"
  • Receiver Type: Flat-Top
  • Receiver Finish: Black
  • Barrel Finish: Black


Add the hard-hitting punch of the 450 Bushmaster to your Bushmaster lower receiver instantly. AR-type gas operating system drastically reduces recoil for excellent second shot control.


  • Aluminum forearm free-floats the barrel for optimum accuracy
  • Heavy barrel is hard-chrome lined in bore and chamber for exceptional durability and has 1:24 inches twist rifling, optimized for the 450 bullet
  • (1) Includes 5 round 450 Bushmaster magazine
  • Bolt carrier assembly


Q & A


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.