The long-range solution for your .308 AR dream build, in a single kit.
A quality 20" barrel, featuring straight flutes and QPQ nitride inside and out. A custom billet upper with a ride side-charging bolt. A mil-spec, quality lower parts kit, complete buffer assembly, and stock. This LR-308 rifle kit's the all-in-one solution for building your custom, long-range AR-10 rifle.
What's Included
This kit is not a firearm. It includes a barreled upper assembly, bolt carrier group, charging handle, lower parts kit, and buffer assembly. It does not include a stripped lower receiver.
LR-308 Rifle Kit Specifications
This kit's barreled upper is assembled before shipment.
Barrel
- Chamber: .308 Winchester
- Contour: SOCOM
- Length: 20”
- Twist Rate: 1:10
- Gas System: Rifle-length
- Gas Port Barrel Dia: 0.076”
- Muzzle Threads: 5/8x24
- Material: 416R Stainless Steel
- Finish: Stainless Steel with Black Nitride
- 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: Black Nitride
- Interior: Parkerized
- 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
Stripped lower 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.
GunBuilders.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
