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AR-15 Lower Parts Kit

Customize Your Build

AR-15 Lower Parts Kit

AR-15 Lower Parts Kit

An AR-15 Lower Parts Kit is a vital component of any AR-15 build. The lower parts kit includes the hammer, stainless trigger, magazine catch, takedown pins, detent springs and other vital accessories for your lower receiver. A lower parts kit is absolutely necessary to convert your 80% lower receiver from a piece of aluminum to a fully-functioning firearm quickly and cost-effectively.

All of the components in these parts kits come in individual labeled bags for quick recognition and easy installation. We guarantee 100% Milspec fit and tolerances so you are not forced into buy a brand-specific, proprietary lower receiver. Regardless if this is your 1st or 20th AR build, you can order your AR-15 Lower Parts Kits with confidence from knowing that we guarantee our products, they are made in the USA and if you need anything, we are available to help you 24/7.


- No FFL Required
- 100% Milspec
- Individually Labeled Bags
- Stainless Trigger & Hammer Assembly
- Made in the USA

Your build awaits you.

The Complete
AR-15 Parts List

View Our Infographic