LR-308 Rifle Kit (20” SS Match Barrel & 15” M-Lok Handguard) w/ 80% Lower (1:10 Twist)

Ready to reach out and hit targets at 500 meters and beyond? Introducing the hyper-accurate, 20” LR-308 Rifle Kit. Featuring a match-grade 416R stainless barrel, this is the rifle kit you want if you’re going for long-range precision. This LR-308 kit is DPMS .308-compatible and includes everything you need to complete your build – just grab the optional 80% lower.

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. The inner workings are handled by a quality, mil-spec CMMG lower parts kit with a crisp, single-stage trigger. Out back, you’ll enjoy a classic six-position M4 buttstock paired with a .308-specific short buffer and spring. It’s everything you need to build a .308-chambered AR that looks and feels like an original AR-10.

LR-308 Rifle Kit Specs:

Barrel Length: 20″
Barrel Profile: Light contour
Gas System: Rifle-length
Barrel Steel: 416R, match-grade
Barrel Finish: Stainless
Chrome Lining: N/A
Muzzle Thread: 5/8-24
Chamber: .308 Winchester 
Twist Rate: 1:10
Diameter at Gas Block: 0.125
Gas Block Type: Low-profile
Muzzle Device: .308 Shark Muzzle Brake
Receiver Material: Forged 7075 T6
Receiver Type: Low-profile w/ Picatinny
Handguard Type: Custom, super-slim 15” M-Lok
Bolt Carrier Group Included: Yes
Bolt Steel: Shot-peened, MPI-tested 9310
Bolt Carrier Profile: M16 Full-auto
Charging Handle Included: Yes

LR-308 Rifle Kit Features:

• Compatible with all DPMS .308/LR-308 parts
• Features match-grade 416R stainless barrel
• Includes all the parts you need to build an LR-308
• Not considered a firearm, no FFL required
• Upper ships pre-built, ready to fire
• Proudly made in the U.S.A.
• Backed by Lifetime Warranty

Barrel: Stainless steel, match-grade 20”, chambered in .308 Winchester. Made of 416R stainless. Features 1:10 twist rate and rifle-length gas system. Includes custom 15” slant M-Lok handguard, .125″ diameter low profile gas block, and .308 Shark Muzzle Brake.

Upper: Mil-spec, made of forged 7075 T6 aluminum. Hard-coat anodized (Type III).

Bolt: Mil-spec, M16 full-auto. Shot-peened, made of 9310 steel. Includes 8620 gas carrier.

80% Lower: Complete with an optional 80% lower. All lowers include mil-spec fittings and hard-coat anodizing.

Lower Parts Kit: Includes mil-spec CMMG lower parts kit. Features six-position M4 buttstock, shorty buffer tube, and .308 buffer.

Charging handle: Standard 7075 Forged charging handle.

Please note: If completing your LR-308 build using the optional 80% lower, please select an 80 lower jig from our available options.