The Wilson Combat Billet Upper Receiver is a stripped AR-15 upper machined from 7075-T6 aerospace billet aluminum, 100 percent in the USA, and engineered to address structural design weaknesses found in standard USGI-pattern receivers (brand part no. TRUPPERBIL). Wilson Combat cuts a precise bolt raceway for smoother chambering and thickens the receiver walls to reduce firing flex, then finishes it with a slick-side profile and no forward assist for a cleaner, more accuracy-focused build. An optics-ready top Picatinny rail and M4-style extended feed ramps round out the upper, though you’ll still need to add a dust cover, forward assist, charging handle, barrel, handguard, gas block, muzzle device, gas tube, and bolt carrier group to complete it. It’s a strong foundation for a precision-focused build chambered for .223 Remington/5.56 NATO.

Key Specifications

• Chambered for .223 Remington/5.56 NATO AR-15 builds.
• Machined from 7075-T6 aerospace billet aluminum, 100 percent in the USA.
• Precise bolt raceway improves chambering smoothness over a standard forged receiver.
• More rigid receiver walls reduce firing flex for better accuracy.
• M4-style extended feed ramps improve feeding reliability.
• Optics-ready top Picatinny rail for direct-mount red dots or scopes.
• Slick-side profile with no forward assist for a cleaner, more accuracy-focused build.
• Stripped upper receiver: requires a dust cover, forward assist, charging handle, barrel, handguard, gas block, muzzle device, gas tube, and BCG to complete.
• Black anodized finish for corrosion resistance.

Frequently Asked Questions

Does this upper come with a forward assist? No, it has a slick-side profile with no forward assist, and it’s a stripped upper that requires you to add your own components.

What comes with this upper receiver? It ships as a stripped billet receiver; you’ll need to add a dust cover, forward assist, charging handle, barrel, handguard, gas block, muzzle device, gas tube, and bolt carrier group to complete it.

What improvements does this billet design offer over a forged upper? A precise bolt raceway for smoother chambering and more rigid receiver walls that reduce firing flex versus a standard USGI-pattern forged receiver.

Buy the Wilson Combat Billet AR-15 Upper Receiver

Order this billet upper from our Lubbock, Texas gun shop and start a precision AR-15 build with Wilson Combat fit and finish. Browse our full AR15 uppers lineup for more configurations. Ships fast from a Lubbock, TX gun shop.