16" M4 Contour Profile Barrel, .223 Wylde, 15" M-LOK Rail. These 16-inch AR-15 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 completed AR-15 M4 upper receiver assemblies are not considered firearms, no FFL is required. Ships directly to your home.
- MADE IN THE USA
- Bolt Carrier Group and Charging Handle included
- USA Made Barrel
- Barrel Length: 16"
- Hand Guard: 15" M-LOK
- Picatinny Top Rail with M-LOK Section
- Caliber: 223 Wylde Pakerized
- Barrel Profile: M4 Contour Profile
- Gas System: Carbine Length Gas System, .750" diameter Steel Micro Gas Block
- AR-15 M4 Upper Receiver: Forged 7075-T6 Flat Top with M4 Feed Ramps
- Forward Assist and Dust Cover Installed
- Muzzle Device: A2 Flash Hider (you can decide!)
- 16-Inch AR-15 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