Product Code: 5D-16-18-M4-P-15MLK

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

Current Stock:
AR-15 Upper with M4 Profile Barrel, Your Choice of NATO 5.56 Upper Receiver or .223 Wylde, 4150 Chrome Moly Vanadium, Parkerized Finish. 15" Keymod Rail with V-Shaped End Cut. These 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 .223 M4 receiver is QC inspected and head space checked before shipment. As completed upper receiver assemblies are not considered firearms, no FFL is required. Ships directly to your home.

- NO BCG or Charging Handle Included - Select Options to Add
- USA Made Barrel
- Barrel Length: 16"
- Hand Guard: Free Floating 15" M-LOK
- 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: 4150 Chrome Moly Vanadium - Parkerized Finish
- Gas System: Carbine Length Gas System, .750" diameter Steel Micro Gas Block
- AR-15 Upper with M4 Profile Barrel: 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
- .223/5.56 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