LR-308 Rifle Kit (18” Parkerized SOCOM Barrel 1:10 Twist & 15” M-Lok Handguard)

Are you ready to step up your .308 long-range game? Then snatch up this LR-308 rifle kit. You most of the necessary parts you need to complete a solid tack-driver, minus the firearm component, sights, and a magazine. This kit's upper assembly provides a 18" mid-weight SOCOM-profiled barrel made from button-rifled 4150 CMV for utter accuracy.

It also comes with a 15" M-Lok handguard for mounting a bipod, foregrip, or whatever else. All you'll need after assembly are either backup sights or optic of your choice, mags, and ammo. Get serious about your .308 shooting. Get this kit and start reaching out to 600, 700, or 800 meters.

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.

Here's the beginner's guide to 80% lowers.

LR-308 Rifle Kit Specs

Barreled uppers are assembled in-house before shipment.

Barrel

• Chamber:  .308 Winchester
• Contour: SOCOM
• Length: 18”
• Twist Rate: 1:10
• Gas System: Rifle
• Gas Port: 0.750”
• Muzzle Threads: 5/8x24
• Material: 4150 CMV
• Finish: Parkerized
• Process: Button Rifled
• Lining: None
• Muzzle: Twisted A2 “Birdcage” Flash Hider

Handguard

• Attachment System: 15" M-Lok Free-Float
• Finish: Type III Hardcoat Anodized (Mil-Spec)
• Top Rail: M1913 Picatinny
• Material: Billet 6061-T6 Aluminum
• Attachment: Barrel Nut 

Stripped Upper Receiver

• Profile: .308 Flattop w/ Picatinny
• 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, Chromed
• Charging Handle: Included

Lower Receiver Parts

• Buffer System: .308 "Shorty" butter
• 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.