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LR-308 Upper Assembly - 20” Stainless Steel Mid-weight Barrel, 1:10 Twist Rate with 15” M-Lok Handguard

Was: $659.99
Now: $549.98
SKU:
30820110(SS)-MLOK(15)_308-CH_BCG-10
Availability:
Out of Stock

Get ready to roll up your sleeves, grab that elbow grease, and clear your workstation. It's time to get that dream project started and we've got just the perfect upper assembly for you. With a clean stainless steel mid-weight barrel, you can bet on accuracy that is as top-notch as its durability. And with a lightweight aluminum 15" M-Lok handguard, you won't feel like you're lugging around a bag of bricks while still having the ability to slap on some sights and any other attachments you need.

What’s Included

This is not a firearm. It includes an assembled upper assembly, bolt carrier group, and 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: 0.081”
  • Muzzle Threads: 5/8x24
  • Material: 416R Crucible Stainless
  • Finish: Stainless
  • Process: Button Rifled
  • Lining: None
  • Muzzle: A2 "Birdcage" 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 

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

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.

Platform:
AR10
Caliber:
.308 Winchester
Barrel Length:
20"
Barrel Finish:
Stainless Steel
Twist Rate:
1/10
Handguard Type:
Free-float
Handguard Length:
15"

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.