Build your LR-308 rifle with this upper assembly, and then really stretch out with your shots fired and go the distance. This build kit comes with a 20" match barrel made of 416R stainless steel, so you can count on it lasting the entire life of your LR-308.
A custom, free-float M-Lok handguard with low-profile gas system improves accuracy and provides plenty of rail estate for your favorite accessories and attachments.
What’s Included
This is not a firearm. It includes an assembled upper receiver, bolt carrier group, and a charging handle.
.308 AR Upper Assembly Specs
Barreled uppers are assembled in-house before shipment.
Barrel
- Chamber: .308 Winchester
- Contour: Mid-weight
- Length: 20”
- Twist Rate: 1:10
- Gas System: Rifle
- Gas Port Barrel Dia: 0.125”
- Muzzle Threads: 5/8x24
- Material: Match-Grade, 416R Crucible Stainless
- Finish: Stainless
- Process: Button Rifled
- Lining: Stainless
- Muzzle: Twisted SS 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
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
- Charging Handle: Included
Lower receiver sold separately.
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80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
