LR-308 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube | FIRE/SAFE Billet 80% Lower

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If you're looking to start your LR-308 build, you're in the right spot. The LR-308 is just as customizable as the AR-15. With this in mind, we want to help you get started. We put together a kit to kickstart your build.

This kit gets you a fire/safe marked LR-308 80% lower receiver made from 6061 T6 billet aluminum and a correctly fitting lower parts kit. And when you're done assembling these parts into and onto your newly milled and drilled lower, you'll be halfway done already.

(1) Black Fire/Safe Marked Billet .308 80% Lower Receiver:

  • Platform: .308
  • Color: Anodized Black
  • DPMS Gen 1
  • Quantity: 1
  • Fire/Safe Marked: Yes
  • Threaded Bolt Catch Hole (threaded pin included)
  • Billet 6061-T6 Aluminum
  • Broached Magwell
  • Enhanced, Heavy Duty Trigger Huard
  • 100% Made in the USA

    Perfectly Polished for Performance

    The quality control is outstanding and the finish shows it: Inside you’ll find a disconnector, hammer hook, and sear whose interacting surfaces were laser-cut and polished to break as clean as glass at exactly 4.5 pounds. With the trigger, you'll experience perfect reset after every pull, with no break-in required. Every roll pin presses easily, while the hammer and trigger pins glide in with little effort.

    Complete LR-308 Lower Parts Kit with Pistol Grip

    This LR-308 Lower Parts Kit includes all components required for assembling your LR-308 stripped lower receiver:

    • 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
    • Selector
    • Selector Detent
    • Selector Detent Spring
    • Takedown Pin
    • Takedown Pin Detent
    • Takedown Pin
    • Detent Spring
    • SSteel Trigger
    • Trigger Guard
    • Trigger Guard Roll Pin
    • Trigger Pin
    • Trigger Spring

    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.

    Want a video instead? We've got a very detailed instructional video that shows you how to install your LPK, too!

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:

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. only ships within the United States. Federal legislation dictates we cannot ship our products internationally.

6.5 Creedmoor
.308 Winchester
Billet 6061-T6 Aluminum

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.