Complete mil-spec lower parts kit for AR-15 builds. Includes bolt catch, magazine catch, safety selector, trigger guard, and all necessary springs and pins. Fire control group not included.
Building a reliable AR-15 starts with quality components, and this lower parts kit from Wilson Combat delivers exactly that. Designed for shooters who want to assemble their own rifle with confidence, this kit contains all the small parts necessary to complete a mil-spec forged lower receiver—except for the fire control group.
This comprehensive kit features:
Every component in this kit is manufactured to or exceeds Military Specification standards. Wilson Combat uses these same parts in their custom shop builds, ensuring you get proven, reliable components. The precision manufacturing and strict quality control mean your rifle will function reliably whether you're at the range or in the field.
This kit does not include fire control parts—hammer, trigger, disconnector, or their springs. You'll source these separately based on your preferred trigger system.
Whether you're a first-time builder or an experienced gunsmith, this lower parts kit provides the essential components needed to complete your AR-15 project with confidence and ease.