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Out of stock
Bushmaster Minimalist-SQ .300 Blackout 16" Barrel Flat-Top Complete Upper Assembly - 90026
Out of stock

Bushmaster Minimalist-SQ .300 Blackout 16" Barrel Flat-Top Complete Upper Assembly - 90026

SKU 792646
Brand Bushmaster
Model Number 90026
UPC 604206900265
Customers must read Compliance Information before purchasing.

Product Details


  • Type: Flat-Top
  • Series/Collection: Minimalist-SQ
  • Handguard: Free-Floating Rifle-Length SquareDrop
  • Caliber: 300 AAC Blackout
  • Barrel Type: Lightweight
  • Barrel Length: 16"
  • Barrel Material: FNC Treated 4150
  • Muzzle Type: 51T Rachet Mount Flash Hider
  • Receiver Type: Integral Brass Deflector
  • Receiver Finish: Hardcoat Anodized Black


The Bushmaster XM-15 Minimalist-SD is built on the versatile Bushmaster modular MSR upper platform. The barreled upper receivers can be used on existing MSR-type lower receivers, all receivers feature integral brass deflectors . The 4150 chome-moly-vanadiem steel barrels feature hard-chrome lining in both bore and chamber for extended barrel life.The XM-15 300BO features a free-floated handguard, a 16" FNC treated 4150 lightweight barrel and a lightweight gas block.


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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.