The Aero Precision AR15 Standard Lower Parts Kit (brand part no. APRH100029C) gives builders the small parts they need to complete a custom AR15 lower from the ground up. Aero Precision holds the kit to mil-spec dimensions and coating, so the components interface correctly with a standard lower receiver. It is a full kit rather than a bag of loose extras, with the fire control group, safety selector, A2 pistol grip, trigger guard and the pins, springs and detents that tie them together. For a first build or a parts-bin lower, it removes the guesswork of sourcing each piece separately.

Key Specifications

• The kit is built for the AR15 platform, so it matches standard AR15 lower receivers.
• Parts are made to mil-spec dimensions and coating for correct component interface.
• It is made in America, which the maker states on the product page.
• The fire control group includes a hammer, trigger and disconnector with their trigger, hammer and disconnector springs.
• The safety selector comes with its spring and detent so the lower is ready to take a selector from day one.
• An A2 pistol grip is included with its grip screw and lock washer.
• The bolt catch ships with its spring, buffer and roll pin for a complete bolt hold-open assembly.
• The magazine catch assembly includes the body, spring and button.
• Takedown and pivot hardware is included as pins, spring and detent, plus a 4-40 set screw for the threaded takedown pin detent hole.
• The kit also carries a trigger guard with roll pin and a buffer retainer with its spring.

Frequently Asked Questions

What does the Aero Precision standard lower parts kit include? It includes the hammer, trigger and disconnector with springs, the trigger and hammer pins, the safety selector with spring and detent, an A2 pistol grip with screw and lock washer, the bolt catch with spring, buffer and roll pin, the magazine catch body, spring and button, takedown and pivot hardware, a buffer retainer with spring, and a trigger guard with roll pin.

Is this kit made for AR15 lowers? Yes. Aero Precision lists the platform as AR15 and builds the parts to mil-spec dimensions and coating.

Does it come with a pistol grip? Yes. An A2 pistol grip is part of the kit, along with the grip screw and lock washer.

Buy the Aero Precision AR15 Standard Lower Parts Kit

A lower is only as dependable as the small parts inside it, and a complete kit keeps those parts matched. This one covers the lower end to end so you can spend the build time on fit rather than sourcing. Add it to your order with other AR lower parts kits from our Lubbock, Texas gun shop for fast, insured shipping.