If you’re a hunter, you can appreciate the need for a somewhat larger caliber at a more intermediate range. You’ll need a rifle whose ability really shines in this area. And what better way to avoid paying current market prices than to build it yourself? So check out this LR-308 build kit.
You get a pre-built upper side-charging assembly that starts with a 16-inch parkerized heavy-profile barrel paired with a 15-inch free-floating handguard. Included are the 6-position buffer tube assembly and butt stock, and a lower parts kit. Once you complete your 80% lower, you simply supply the backup sights or optic of your choice and of course mags and ammo.
What’s Included
This kit is not a firearm. It includes an assembled upper receiver, bolt carrier group, lower parts kit, and buffer assembly with buttstock.
Please note: This kit features a side-charging upper assembly. It can be converted to use a rear charging handle.
Here’s the beginner’s guide to 80% lowers.
.308 AR Rifle Kit Specs
Barrel
- Chamber: .308 Winchester
- Contour: Heavy
- Length: 16”
- Twist Rate: 1:10
- Gas System: Mid-length
- Gas Port Barrel Dia: 0.082”
- Muzzle Threads: 5/8×24
- Material: 4150 Chrome Moly Vanadium
- Finish: Parkerized
- Process: Button Rifled
- Lining: Stainless
- Muzzle: A2-style “birdcage”
Handguard
- Attachment System: 15″ M-Lok
- Finish: Type III Hardcoat Anodized (Mil-Spec)
- Top Rail: M1913 Picatinny
- Material: Billet 6061-T6 Aluminum
- Attachment: Barrel Nut
Upper Receiver
- Profile: LR-308 Flattop
- Material: Forged 7075-T6 Aluminum
- Finish: Type III Hardcoat Anodized (Mil-Spec)
Bolt Carrier Group
- Profile: M16/Full-Auto
- Steel: 9310 Tool, HPT/MPI-tested
- Exterior: Phosphate Coating
- Interior: Chrome-Lined
- Gas Key: Staked, Chrome-lined
- Charging Handle: Included
Lower Receiver Parts
- Buffer System: Mil-spec, .308 “Shorty” Buffer
- Buttstock: Mil-spec, M4-type
- Parts Kit: Mil-spec, single-stage
Lower receiver sold separately.
WARNING: Handling firearms parts and certain firearm 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, visit www.P65Warnings.ca.gov
Shipping Restrictions
We cannot ship certain parts and accessories to states that prohibit the sale or ownership of such components, like California, New York, and others. Before ordering, see our shipping restrictions for a list of all prohibited states and locales. We try our best to keep our shipping restrictions current, but state laws change almost daily. It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm.
80-Lower.com only ships within the United States. Federal law prevents international shipments of our products.
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 RestrictionsShipping 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.
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