Product Code: UPPER-AR15-556-16-PK-12

16" AR-15 Upper - Parkerized 5.56 M4 Contour Barrel, 1:8 Twist, 12" M-LOK Rail

$449.99
$499.99
Add 80 Percent Lower?
Add Buffer Tube Kit?
Add Stock?
Current Stock:

Questions on how ATF rule affects these products? View ATF Rule Directory

16" AR-15 Upper with M4 Contour Barrel, 4150 Chrome Moly with Parkerized Finish. 12" Lightweight Free Float M-LOK Rail with Straight 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 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.


- Bolt Carrier Group and Charging Handle Included
- Barrel Length: 16"
- Hand Guard: Free Floating 12" M-LOK Rail
- Picatinny Top Rail with M-LOK Section - No T-Markings
- Caliber: 5.56MM NATO
- Barrel Profile: M4 Contour Profile
- Barrel Type: Parkerized Finish
- Gas System: Carbine Length Gas System, .750" diameter Steel Micro Gas Block
- Upper Receiver: Forged 7075-T6 Flat Top with M4 Feed Ramps
- Forward Assist and Dust Cover Installed
- Muzzle Device: Not Included
- 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