This Stripped Upper Receiver from Guntec USA is machined from billet aluminum with a slabside profile and finished in black, giving a custom-build foundation for an AR-15-pattern rifle (Guntec USA part no. GTUPPERSLBLACK).

Key Specifications

• Machined from billet aluminum rather than forged.
• Slabside profile for a distinct custom-build look.
• Finished in black.
• Sold stripped, with no internal parts or bolt carrier group installed.
• Sized for AR-15-pattern lower receivers.

Frequently Asked Questions

Does this come with a bolt carrier group or charging handle? No, this is a stripped upper receiver only; internals, barrel, handguard, and charging handle are sold separately.

What does ‘slabside’ mean? It refers to a flat, smooth upper receiver profile without the raised forward assist and brass deflector housings typical of a standard AR-15 upper.

Buy the Guntec USA AR-15 Slabside Billet Upper Receiver, Black

Start your next build with this black billet Guntec USA slabside stripped upper receiver. It ships fast from our Lubbock, Texas gun shop, and our AR-15 uppers selection has more AR-15 upper receivers.