The Wilson Combat AR-15 Matched Lower/Upper Receiver Set (brand part no. TR-LOWUPP-CTG-ATB) pairs a GI-style upper and lower machined from USA-sourced 7075-T6 aluminum forgings, hand-selected to ensure a proper fit between the two halves rather than pulled at random from stock. It ships with a closed trigger guard and multi-caliber markings instead of a caliber-specific mark for a cleaner, custom look, and accepts all aftermarket and mil-spec internal parts — Wilson Combat describes the fit as better than mil-spec, given the attention paid at the factory. Wilson Combat’s reputation for tight tolerances carries through to a set like this, which finishes a build’s foundation before the internals or furniture go on.

Key Specifications

• Includes a matched, hand-selected lower and upper receiver set for a proper fit.
• Machined from USA-sourced 7075-T6 aluminum forgings with M4-style feedramps for reliable feeding.
• Features a closed trigger guard.
• Marked multi-caliber rather than a specific caliber marking, for a custom look.
• Accepts all aftermarket and mil-spec internal parts.
• Finished in black Armor-Tuff, Wilson Combat’s proprietary durable coating.
• Shipping weight of approximately 1.4 pounds.

Frequently Asked Questions

Are the upper and lower matched at the factory? Yes, Wilson Combat hand-selects each set for a proper fit.

Does this set accept mil-spec internal parts? Yes, it accepts all aftermarket and mil-spec internals.

Buy the Wilson Combat AR-15 Matched Receiver Set

Start your build on receivers from Wilson Combat. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and see our full AR-15 build kit selection.