Aero Precision AR15 Standard Lower Parts Kit

The Aero Precision AR15 Standard Lower Parts Kit provides the essential components needed to complete a mil-spec lower receiver and build a custom AR15 from the ground up. This kit contains all critical small parts required for proper lower receiver assembly, engineered to mil-spec dimensions and coatings that ensure correct component interface and reliable function across diverse operational environments.

The complete parts list includes takedown and pivot springs and detents, trigger and hammer pins, bolt catch assembly components (including spring, buffer, and roll pin), safety selector with spring, and all associated hardware. Each component meets military specification standards, ensuring compatibility with standard AR15 platform uppers and barrels. The mil-spec coating provides corrosion resistance and consistent function across repeated field use, critical for builders prioritizing reliability in tactical, training, or recreational shooting applications.

This kit is designed for builders and gunsmiths assembling AR15 platforms from component parts, whether for duty rifles, precision rifles, or specialized builds. By securing all small parts in one kit, the Aero Precision lower parts kit eliminates the sourcing complexity of individual components and reduces the risk of missing critical hardware during assembly. The mil-spec compliance ensures that any completed lower receiver will accept standard upper assemblies and magazines without compatibility issues.

Aero Precision is recognized in the AR15 market for precision manufacturing and adherence to military specifications, making this lower parts kit a dependable choice for builders who prioritize function and component interface standardization over novelty features.