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10 of 10 Items
10 of 10 Items

Love the military glory of the AR-10? Or simply want to invest in a round a bit bigger (and more capable) than 5.56 or .223? We pieced together these hyper-accurate LR-308 Rifle Kits to provide you the opportunity to build a truly custom bench rifle capable of ringing steel at 700 yards or more. Featuring DPMS-platform .308 components and MOA-capable barrels, these complete build kit include everything needed for assembly, including a quality billet .308 80% lower receiver.

Looking for AR-10 stuff? LR-308 is the new AR-10. Check out our guide explaining it all here.

Why Our .308 AR Rifle Kits?

With so many AR manufacturers and parts hitting the market, it's tough to find truly quality components that don't cost an arm and a leg. We worked closely with direct manufacturers and gunsmiths to ensure out LR-308 kits include the top-tier stuff you need to be accurate with any .308 loads. Below are some of the specifications that set our kits apart from the (more expensive) competition:

  • All barrels are forged from MIL-B-11595 E steel (4150 or Chromoly Vanadium)
  • All stainless barrels forged from Crucible 416R steel, offering sub-MOA accuracy
  • All BCGs are M16 in profile with chrome lining and properly staked gas keys
  • All stripped upper receivers forged from mil-spec 7075 T6 aluminum
  • All buffer assemblies and lower parts kits are mil-spec in fit and finish
  • All barreled uppers are test-fired to ensure proper assembly

What's Included:

  • Barreled upper assembly
  • Lower parts kit w/ trigger
  • Full-auto BCG w/ gas key
  • Charging handle
  • Buffer, tube & stock

Receiver Sold Separately.

NOTECounter to federal law, some states have enacted certain restrictions and/or bans on gun-making kits and AR-15 kits like ours. Reference our state and federal 80% lower law guide to get an idea of what you need to know or research further before buying and building. If you're ever unsure, consult with a licensed attorney in your state.


DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.

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.