Ke Arms Kp-15 Milspec Parts Kit

The KE Arms KP-15 Milspec Parts Kit is a complete lower parts kit engineered to assemble a functional fire control group on a KP-15 polymer lower receiver. This kit delivers all critical components needed to transition a bare receiver into a fully operational platform, with every part manufactured domestically to milspec standards and finished in black oxide for corrosion resistance.

The kit includes a complete trigger and hammer assembly with matched springs, disconnector with spring, trigger and hammer pins, and KE Arms' proprietary optimized safety selector switch engineered specifically for the KP-15 platform. The selector detent spring ensures positive detent action across the safe, fire, and secondary positions. Black oxide springs resist oxidation in field conditions and provide consistent spring rates across extended use cycles. All components are USA-made, ensuring supply chain integrity and consistency with domestic procurement standards.

This kit is designed for operators, gunsmiths, and builders who are constructing or completing a KP-15 polymer receiver build. It serves builders who want a factory-controlled fire control group rather than assembling individual components, eliminating compatibility questions and ensuring parts are harmonized for reliability. The kit reduces assembly time and removes variables from lower receiver completion, making it ideal for those prioritizing consistency and known performance over custom configuration.

The compact weight and dimensions of this assembled kit make it suitable for builders working in limited workspace, and the kit ships safely as a disassembled lower parts collection. For those building on a KP-15 platform, this purpose-built kit eliminates cross-compatibility concerns associated with generic AR lower parts kits.