AOA AR15 XL Stripped Upper Receiver – FDE


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AOA AR15 XL Stripped Upper Receiver - FDE

Manufactured in the USA

The Arm or Ally XL Stripped Upper Receiver in FDE is forged from 7075-T6 aluminum and features an enlarged ejection port, the XL Upper Receiver is your best choice when you're planning a 458 SOCOM / 50 BEO / 450 BUSHMASTER build to send big lead downrange.


  • Port door opening enlarged to enhance larger diameter brass ejection (.450 Bushmaster, .458 SOCOM, .50 Beowulf)
  • M4 Feedramps
  • Compatible with AR15 Lower receivers
  • Compatible with AR15 Port Doors and Forward Assists
  • .250 takedown pin holes


  • .458 SOCOM StrippedUpper Receiver in FDE Cerakote

What is the Arm or Ally Brand?

Arm or Ally branded products are manufactured in the same facilities and to the same standards as many popular, high-end brands.  Our promise to you is a high-quality product at a more affordable price. 100% American made products, backed by the same defect-free warranty as every other product we offer.

SKU AOA611320
Manufacturer Leading U.S. Manufacturer
100% American Made Yes
Platform AR15
Finish Cerakote FDE
Compatability Works with standard Milspec AR15 (.458 SOCOM) components
Weight 8.35oz

Arm or Ally is a stocking dealer for all Faxon Firearms, Ballistic Advantage, HOLOSUN, Toolcraft, Elftmann Tactical, Timney, CMC Triggers, HIPERFIRE and named the #1 Overall E-Commerce Dealer for Aero Precision Products in 2020!  See our growing inventory of AR Parts, and Reloading Components.

Weight 11 oz
Dimensions 10 × 3.5 × 3.25 in
Part Type

Upper Receiver, Upper Receiver Parts




Arm or Ally

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