Aero Precision AR-15 Lower Parts Kit without Fire Control Group

Complete or upgrade your custom rifle build with the Aero Precision AR-15 Lower Parts Kit without Fire Control Group. Designed for builders who plan to install a custom trigger or drop-in fire control group, this mil-spec lower parts kit includes all the high-quality small components needed to finish your lower receiver.

Machined to precise tolerances, each component ensures smooth mechanical operation, secure pin retention, and dependable function. The kit also includes a 4-40 set screw designed specifically for lower receivers featuring a threaded takedown pin detent hole, making assembly clean and hassle-free.

Key Features:

• Custom Trigger Friendly: Excludes the fire control group and pistol grip, giving you the flexibility to choose your preferred trigger and grip setup.
• Mil-Spec Compatibility: Fits standard mil-spec AR-15 lower receivers with exact tolerances.
• Threaded Detent Ready: Includes a 4-40 set screw for lowers equipped with a threaded takedown pin detent hole.
• Complete Hardware Assembly: Contains all necessary small parts, springs, detents, and pins to finish your stripped lower.

Kit Includes:

• Takedown Pin & Pivot Pin
• Takedown/Pivot Springs & Detents
• Bolt Catch, Spring, Buffer & Roll Pin
• Safety Selector, Spring & Detent
• Magazine Catch Body, Spring & Button
• Buffer Retainer & Spring
• 4-40 Set Screw (for threaded takedown pin detent hole)