Are you looking for the perfect AR-15 Rifle Build Kit? Look no further. This Build Kit is ideal for any level of operator, looking to build their very own AR-15 rifle. This kit comes with a 16” mid-length 5.56 barrel and a mounted Front Sight. This barrel length is perfect for a new weapon owner, or an experienced operator. The ideal options for any and all operators looking to complete their first build, or add another weapon to your collection.
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 the buttstock.
5.56 AR Rifle Kit 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 Stainless
- Finish: Stainless
- Process: Button Rifled
- Lining: Stainless
- Extension: M4
- Muzzle: A2 “Birdcage” Flash Hider
Handguard
- Attachment System: Two-Piece A2 Handguard
- Finish: Matte Black
- Top Rail: None
- Material: Polymer w/ aluminum heat shield
- Attachment: Mil-Spec Delta Ring
Upper Receiver
- Profile: M4 Flattop
- Material: Forged 7075-T6 Aluminum
- Finish: Type III Hardcoat Anodized (Mil-Spec)
Bolt Carrier Group
- Profile: M16/Full-Auto
- Steel: Carpenter No. 158 (Mil-Spec)
- Exterior: Black Nitride
- Interior: Black Nitride
- Gas Key: Staked
- Charging Handle: Included
Lower Receiver Parts
- Buffer System: Mil-spec, Carbine
- 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 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.
