Out of stock
Fortis Billet M4 Upper Stripped for AR15 223 Rem, 556 NATO - UBilletM4
Out of stock

Fortis Billet M4 Upper Stripped for AR15 223 Rem, 556 NATO - UBilletM4

SKU 516551635139
Model Number UBILLETM4
Brand Fortis Manufacturing
UPC 855476008711
Caliber .223 Remington, 5.56x45mm
Customers must read Compliance Information before purchasing.
This product is fulfilled by a PSA Partner and shipping times may vary.

Product Details


  • One Piece Billet Design
  • Aircraft Grade 7075 T6 aluminum
  • Military Specification Type III Hard Coat Anodized
  • M4 feed ramp
  • Engraved logos on both sides as well as the top
  • 1913 picatinny rail flat top
  • Light Weight at 6.7oz
  • Made in the USA.


The Fortis Billet Upper is a precision piece, machined from Billet 7075 T6 aluminum. Like Fortis' other products, they designed this upper with function as well as form in mind. Fortis shaved off the ounces where they could without sacrificing rigidity or strength. The end result is increased function and performance with the design aesthetics that Fortis is known for.


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Shipping Restrictions

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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.