If you’re wanting to get started on your first or next AR15 80% lower receiver, then check out our extensive lower assembly kit. It features our premium 80% lower billet, marked with “Fire/Safe” engraving, a threaded bolt catch release hole and a threaded rear takedown detent hole. Along with that, it comes with our intricate yet simple to install lower parts kit, and if that isn’t enough, we threw in the Magpul MOE® AR15/M4 Grip along with the Magpul® MOE® Enhanced AR15/M4 Polymer Trigger Guard.
(1) Black Fire/Safe Marked Billet 80% Lower Receiver:
- For AR-15 builds (5.56/.223/300 BLK/6.5 Grendel)
- Type III Hard Anodized Billet
- Color: Anodized Black
- 100% Mil-Spec
- Quantity: 1
- Fire/Safe Marked: Yes
- Billet 6061-T6 Aluminum
- Threaded Bolt Catch Hole
- Threaded Rear Takedown Detent Hole
- Screws and Hex Key
- Broached Magwell
- Enhanced, heavy duty trigger guard
- 100% Made in the USA
Complete AR-15 Lower Parts Kit with Pistol Grip
- Bolt Catch
- Bolt Catch Plunger
- Bolt Catch Roll Pin
- Bolt Catch Spring
- Buffer Retainer
- Buffer Retainer Spring
- Disconnector
- Disconnect Spring
- Steel Hammer
- Hammer Pin
- Hammer Spring
- Magazine Catch
- Magazine Catch Button
- Magazine Catch Spring
- Pistol Grip (A2 style)
- Pistol Grip Lock Washer
- Pistol Grip Screw
- Pivot Pin
- Pivot Pin Detent
- Pivot Pin Detent Spring
- Safety Selector
- Safety Selector Detent
- Safety Selector Detent Spring
- Takedown Pin
- Takedown Pin Detent
- Takedown Pin
- Detent Spring
- Steel Trigger
- Trigger Guard
- Trigger Guard Roll Pin
- Trigger Pin
- Trigger Spring
Magpul MOE Parts
- Magpul MOE® AR15/M4 Grip
- Magpul® MOE® Enhanced AR15/M4 Polymer Trigger Guard
Easy-to-Follow Install Instructions
First time assembling, or need assistance with certain steps? Check out our in-depth instructional and picture guide. It shows the full LPK assembly with tips and tricks, including tools required and the buffer tube and castle nut install.
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
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.
