Complete Mil-spec lower parts kit for AR15 builds. Includes all springs, pins, selector, grip, trigger group, and magazine catch components. Black hardcoat anodized finish.
Fits: AR15
The Aero Precision Standard Lower Parts Kit provides everything you need to assemble a complete lower receiver for your AR15 platform rifle. Whether you're a first-time builder or an experienced gunsmith, this kit delivers genuine Mil-spec components that ensure proper fit and reliable function.
Trigger Group & Safety
Takedown & Pivot System
Magazine & Bolt Catch
Furniture & Hardware
Mil-spec dimensions and black hardcoat anodized finish ensure precise component interface and long-term durability. Every part is engineered to exacting standards, giving you the confidence that your build will function flawlessly for years to come.