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LR-308 Side-Charging Rifle Kit - 18" Black Nitride, SOCOM Barrel, 1:10 Twist Rate with 15" M-Lok Split-Rail Handguard

$499.99
SKU:
UASCH308MSC18110M-15MSR_308-LPK_M4-STOCK_308-BTA
Availability:
In stock! Ships in 1 - 3 business days!

It's well-known that all barrels eventually wear, become less accurate with time, and gradually break down. So give your next LR-308 build the chance it deserves to maintain its accuracy as long as it possibly can. And with this side-charging LR-308 build kit, you can do it without resorting to going full-on with a heavy-profiled barrel.

This side-charging LR-308 build kit gets you an 18-inch SOCOM profile barrel paired with a 15-inch free-floating M-Lok handguard. It also includes a 6-position buffer tube assembly and the butt stock to mount on it. This kit also gets you a standard 308-sized lower parts kit. All that's left is to finish your 80% lower receiver. Then, pick up the backup sights or optic of your choice, and you're ready to build. And once you snag some mags and ammo, you're good to go.

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.

.308 AR Rifle Kit Specs

Barrel

  • Chamber: .308 Winchester
  • Contour: SOCOM
  • Length: 18”
  • Twist Rate: 1:10
  • Gas System: Mid-length
  • Gas Port Barrel Dia: 0.086”
  • Muzzle Threads: 5/8x24
  • Material: 4150 Chrome Moly Vanadium
  • Finish: 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 

Stripped 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 Parts

  • Buffer System: Mil-spec, .308 "Shorty" Buffer
  • Buttstock: Mil-spec, M4-type
  • Parts Kit: Mil-spec, single-stage

Lower receiver not included.

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 Restrictions

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.

Barrel Size:
18"
Caliber:
.308 Winchester
Twist Rate:
1/10
Barrel Steel:
4150 Chrome Moly Vanadium
Handguard Type:
Free-float
Gas System Length:
Mid-length

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.