You’ve got a keen eye for getting yourself the quality parts along with the know-how to put it all together. Look no further, because we got an upper assembly that will be sure to surpass your standards. It features a 16" stainless steel barrel that has an accuracy that will outshine the rest and a 13.5" M-Lok handguard that will allow you to show it off.
What’s Included
This kit is not a firearm. It includes an assembled upper receiver, bolt carrier group, and a charging handle.
AR-15 Upper Assembly Specs
Barreled uppers are assembled in-house before shipment.
Barrel
- Chamber: 5.56 NATO
- Contour: M4/Government
- Length: 16”
- Twist Rate: 1:8
- Gas System: Carbine
- Gas Port: 0.750”
- Gas Hole Dia.: 0.070”
- Muzzle Threads: 1/2x28
- Feed Ramps: M4
- Material: 416R Crucible
- Finish: Stainless
- Process: Button Rifled
- Lining: None
- Muzzle: A2 “Birdcage” Flash Hider
Handguard
- Attachment System: 13.5" M-Lok
- Finish: Type III Hardcoat Anodized (Mil-Spec)
- Top Rail: M1913 Picatinny
- Material: Billet 6061-T6 Aluminum
- Attachment: Barrel Nut
Upper Receiver
- Profile: A3 Flat Top
- Material: 6061 T6 Billet 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: Black Nitride
- 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 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.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
