16" AR-15 Upper - Stainless .223/5.56 M4 Contour Barrel, 1:8 Twist, 12" M-LOK Rail

16" Contour Profile Stainless Steel M4 Barrel. 12" Lightweight Free Float M-LOK Rail with Straight end cut. These 16-inch AR-15 .223 complete upper receivers are built in-house by expert builders with over 40 years of experience. Each barrel is visually inspected and cleaned prior to assembly. All barrel nuts are torqued to proper specifications per Mil-Spec standards and practices. Every completed receiver is QC inspected and head space checked before shipment. As complete M4 upper receiver assemblies are not considered firearms, no FFL is required. Ships directly to your home.


- MADE IN THE USA
- NO BCG or Charging Handle Included - Select Options to Add
- USA Made Barrel
- Stainless Steel M4 Barrel Length: 16"
- Hand Guard: Free Floating 12" M-LOK Rail with Straight End Cut
- Picatinny Top Rail with M-LOK Section - No T-Markings
- Caliber: Your Choice 5.56MM NATO or .223 Wylde
- Barrel Profile: M4 Contour Profile
- Barrel Type: 416R Stainless Steel
- Gas System: Carbine Length Gas System, .750" diameter Steel Micro Gas Block
- 16-Inch AR-15 Complete Upper Receiver: Forged 7075-T6 Flat Top with M4 Feed Ramps
- Forward Assist and Dust Cover Installed
- Muzzle Device: Your Choice A2 Style Birdcage Flash Hider or Compact Muzzle Brake
- Lightweight Upper Receiver and Hand Guard are Black Hardcoat Anodized Per MIL-A-8625 Type III Class 2 Specifications

*Buyer is responsible for configuring finished rifle in accordance with state and local laws