Real time inventory.  No backorders.

308 Lower Parts Kit w/ Standard Grip & Trigger Guard

Ships Next Business Day


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.

Included Parts

  • 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 Restrictions

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.

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.