.223 Wylde AR 15 Pistol Kit – 10.5″ Stainless Steel M4 Barrel, 1:7 Twist Rate with 9.5″ M-Lok Handguard

Stop debating between 5.56 and .223. Enjoy both!
Big box stores might only stock one or the other — but you don’t need to compromise. This .223 Wylde AR kit is specifically designed for maximizing the accuracy and consistency of both 5.56 and .223, using one chamber and a match 416R stainless barrel.
You’re also getting an upgraded, custom upper receiver featuring a side-charging handle and quality, mil-spec lower parts kit components to ensure reliable cycling with a smooth trigger.
What’s Included
This is not a firearm. It includes an assembled upper receiver, bolt carrier group, charging handle, lower parts kit, and buffer system.
.223 Wylde Pistol Kit Specs
Barreled uppers are assembled in-house before shipment.
Barrel

Chamber: .223 Wylde
Contour: M4/Government
Length: 10.5″
Twist Rate: 1:7
Gas System: Pistol
Gas Block: 0.750″
Muzzle Threads: 1/2×28
Feed Ramps: M4
Material: 416R SS
Finish: Stainless
Process: Button Rifled
Lining: None
Extension: M4
Muzzle: Fluted Flash Hider

Handguard

Attachment System: 9.5″ M-LOK
Finish: Type III Hardcoat Anodized (Mil-Spec)
Top Rail: M1913 Picatinny
Material: Billet 6061-T6 Aluminum
Attachment: Barrel Nut 

Upper Receiver

Profile: M4 Flattop
Material: Billet 6061-T6 Aluminum
Finish: Type III Hardcoat Anodized (Mil-Spec)

Bolt Carrier Group

Profile: M16/Full-Auto
Steel: AISI E9310
Exterior: Black Nitride
Interior: Black Nitride
Gas Key: Staked
Charging Handle: Included, Right Side Charging

Lower Receiver Parts

Buffer System: AR-15
Pistol Brace: SBA3 5-Position
Parts Kit: Mil-Spec LPK

Stripped lower receiver sold separately. 

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.