You want the AR-15 you build to be solid, reliable and made from quality mil-spec parts. That's why you're here. This lower parts kit is exactly what you need. It's made in the U.S.A, and it's solid and reliable. Each part is made to the high standards that should come with all your AR parts. Stop worrying about reliability and grab this lower parts kit for your next build. Check out a complete list of parts below.
- Magazine Catch, Button and Spring
- AR-15 Single Safety Selector Lever
- 308 Bolt Catch Assembly Kit with Plunger, Spring & Roll Pin
- .223/.308 Buffer Tube Detent Plunger & Retainer Spring
- Takedown/Pivot Pin Detents & Springs - 2 sets
- Safety Spring and Detent pin
- Trigger and Hammer Pin
- .308 Takedown Pin
- .308 Pivot Pin
- AR-15 A2 Style Pistol Grip
- Pistol Grip Screw and Lock Washer
- AR-15 Polymer Trigger Guard Assembly
- Trigger Spring
- Hammer Spring
- AR-15 Disconnector
- AR-15 Disconnector Spring
- AR-15 Trigger
- AR-15 Hammer
Need Installation Help?
Watch our instructional video on how to install the lower parts kit!
We also have a detailed picture guide that you can use here.
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.