Description
Get get robust with your .308 shooting. This LR-308 build kit is solid and will stand up to a hard day at the range or your next hunting trip. You get a prebuilt upper assembly made with an 18-inch SOCOM mid-weight barrel made of 4150 chrome moly vanadium steel coupled 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 workhorse 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.
New builder? This guide explains 80 percent lowers.
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: Phosphate Coating
- Interior: Chrome-Lined
- Gas Key: Staked, Chromed
- 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
No FFL or serialization is required to fabricate a receiver under federal law. However, state laws vary. Some states require serialization or have banned 80% lowers and gun-making kits. We encourage each and every builder to perform their own research about the state and federal laws that apply to them.
Shipping Restrictions
AR-15Lowerreceivers.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally. 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 (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. We try our best to keep our shipping page current, but laws change daily.
