Gain confidence in your .308 shooting. You'll take comfort in knowing this side-charging LR-308 build kit is reliable and will stand up to a hard day at the range or your next hunting trip. You get a prebuilt upper assembly comprised of an 18-inch SOCOM mid-weight barrel made of 4150 chrome moly vanadium steel paired with a 15-inch M-Lok handguard. Buy and finish your 80% lower with a jig, assemble your rifle, and mount your favorite backup sights, scope, or other optics. Then just get some mags and ammo, and you're all set. Get this kit and introduce a strong new go-to .308 rifle to your AR collection.
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. It does not include the component to make a firearm: A stripped lower receiver. Pair this rifle kit with an AR-10/LR-308 80% lower receiver and AR-10/LR-308 jig to fabricate a receiver, sold separately.
LR-308 Rifle Kit Specs
Barreled uppers are assembled in-house before shipment.
Barrel
- Chamber: .308 Winchester
- Contour: SOCOM
- Length: 18”
- Twist Rate: 1:8
- Gas System: Mid-length
- Gas Block Dia.: 0.750”
- Muzzle Threads: 5/8x24
- Material: 4150 CMV
- Finish: Parkerized
- Process: Button Rifled
- Lining: None
- Extension: .30-Cal
- Muzzle: Twisted Flash Hider
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
Stripped Upper Receiver
- Profile: LR-308 M4-Style Flattop
- Material: Forged 7075-T6 Aluminum
- Finish: Type III Hardcoat Anodized (Mil-Spec)
Bolt Carrier Group
- Profile: M16/Full-Auto
- Steel: Carpenter No. 158 (Mil-Spec)
- Exterior: Black Nitride
- Interior: Parkerized
- Gas Key: Staked
- Charging Handle: Included
Lower Receiver Parts
- Buffer System: .308 "Shorty" Buffer
- Buttstock: Mil-spec, M4-type
- Parts Kit: Mil-spec, single-stage
Receiver sold separately.
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.
www.80lowerjig.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
