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Fortis Manufacturing Billet M4 Upper 5.56 NATO/.223 Rem Stripped For AR-15
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$199.95
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Sep 8, 2026
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1913 picatinny rail flat top
Aircraft Grade 7075 T6 aluminum
Engraved logos on both sides as well as the top
Light weight at 6.7oz
M4 feed ramp
Made in the USA.
Military Specification Type III Hard Coat Anodized
One Piece Billet Design
Specifications
Description
Billet M4 Upper Features 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. Billet M4 Upper Specifications Manufacturer: Fortis Manufacturing Inc. Type: Upper Caliber: 556NATO/223 Remington Color: Black Fit: AR15 Finish: Anodized
