.223 Wylde AR 15 Rifle Kit (16" Stainless Barrel & 13.5" M-Lok Handguard) w/ 80% Lower - (1:8 Twist)



Light, fast, and hyper-accurate for 5.56 and .223.

This stainless .223 Wylde build kit sports a hyper-accurate barrel forged from 416R Crucible, a by-design alloy made specifically for accurizing barrels as much as possible. Paired with a Wylde chamber, this AR kit will land 5.56 NATO and .223 Remington loads from 55-grain up to those special heavy match loadswith MOA groupings at 100 yards and beyond. 

What’s Included & Specifications


 Chamber: 5.56 NATO
 Contour: M4/Government
 Length: 16"
 Twist Rate: 1:8
 Gas System: Carbine
 Gas Port: 0.750
 Thread Pitch: 1/2x28
 Feed Ramps: M4
 Material: 416R Stainless
 Finish: Stainless
 Process: Button Rifled
 Lining: None
 Extension: M4
 Muzzle: A2 “Birdcage” Flash Hider

Bolt Carrier Group

 Profile: M16/Full-Auto
 Steel: Carpenter No. 158 (Mil-Spec)
 Exterior: Phosphate Finish
 Interior: Chrome-Lined
 Gas Key: Chrome-Lined, Staked
 Charging Handle: Included


 Attachment System: M-Lok
 Finish: Type III Hardcoat Anodized (Mil-Spec)
 Top Rail: Mil-Spec 1913 Picatinny
 Material: Billet 6061-T6 Aluminum
 Weight: 7.5 oz.
 Inner Diameter: 1.355”
 Barrel Nut: Included

Stripped Upper Receiver

 Profile: M4 Flattop
 Material: 7075-T6 Aluminum
 Finish: Type III Hardcoat Anodized (Mil-Spec)

(Optional) 80% Lower Receiver

  • Made From Forged or Billet Aluminum
  • 100% Mil-Spec Fit and Finish
  • Type III Anodized Coating
  • Marked with "FIRE", "SAFE"
  • Not considered a firearm
  • No FFL required to buy!

Lower Parts Kit

  • Includes Pistol Grip
  • 100% Mil-spec Fitment
  • Stainless or Carbon
  • Single-Stage Trigger
  • 4.5-lb. Pull Weight

Buffer Assembly

  • 6-Position Buttstock
  • Mil-Spec Buffer Tube
  • Mil-Spec Recoil Spring
  • Carbine (3.0-oz) Buffer
  • Forged 7075-T6 Aluminum
No FFL required  Made in the USA  Lifetime Warranty

Shipping Restrictions

AR-15Lowerreceivers.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally. 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 (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. We try our best to keep our shipping page current, but laws change daily.

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, 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.