AR-STONER AR-15 Optics Ready Upper Receiver Assembly 450 Bushmaster 16" Barrel

  • Product #: 466691
  • AR-Stoner #: UA450MHB16124(P)-SHG
AR-STONER AR-15 Optics Ready Upper Receiver Assembly 450 Bushmaster 16" Barrel
  1. {{::image.alternatText}}
  • {{fee.amount}} {{fee.description}}
Regular Price: $399.99 Save $80.00 (20%)
Ships today from MidwayUSA
Made in USA
Questions? Let us help! Chat Now

Product Overview

MidwayUSA is proud to offer this AR-STONER™ Optics Ready Upper Receiver Assembly in 450 Bushmaster at an exceptional price! This AR-STONER™ carbine length upper features a 450 Bushmaster bolt carrier group, parkerized finish, low profile gas block, and a heavy profile barrel. The A3 upper will attach to virtually any standard AR-15 lower receiver and comes complete with charging handle, forward assist, ejection port cover, A2 flash hider, bolt and bolt carrier assembly. Supplied without a rear sight, this upper is a great platform for a red dot sight or iron sights (both sold separately).



  • 450 Bushmaster Bolt Carrier Group
  • A2 Flash Hider
  • 16" 1:24" Twist Barrel
  • Chambered in 450 Bushmaster


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. 

Made In United States of America
Was this information helpful?


Product Information

{{}} {{attribute.value[0]}} {{attribute.value}}

No {{}}s match your search.

  • {{values}}
Compatible With
{{}} {{compatibleWithAttribute.values[0]}}
  1. {{value}}

Delivery Information

Must Ship to FFL Dealer
Shipping Weight
Ships Alone
DOT- Regulated
Carrier Restrictions
  • Cannot ship via air
  • Cannot ship via USPS
  • Cannot ship to PO Box
  • Must ship to Contiguous US
HazMat Product

Customer Reviews

Product Reviews are not compatible with your browser.

Update Your Browser Now!
NOTE: Prices, specifications and availability are subject to change without notice. We reserve the right to correct typographic, photographic and/or descriptive errors.