Spike's Tactical's AR-15 Lower Parts Kits are made out of high-quality parts with precision machinework and expert quality control to ensure reliable functionality as soon as they're installed. This LPK does not include a fire control group, and is designed for a drop-in trigger unit.
- Upgraded pistol grip
- Upgraded trigger, hammer pins
- Front takedown pin w/ detent
- Rear pivot pin w/ detent
- Billet trigger guard
- Ambidextruous safety
- Magazine catch assembly
- Bolt catch assembly
- Buffer retainer w/ spring
Installing the lower parts kit in your receiver is easy! Just follow our detailed, step-by-step instructions, complete with tools, pictures, and video.
Finishing your AR-15 Lower
In addition to this lower parts kit (and a drop-in trigger), you'll a Buffer Tube Kit. This includes the components necessary for the lower receiver to work with your chosen upper receiver assembly.
To complete your custom AR-15 build quickly and easily, check out our barreled upper assemblies. They include high-quality barrels, handguards, mil-spec bolt carrier groups, and charging handles.
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.