5.56 NATO, 16″ M4 Barrel, 1:8 Twist, Carbine Gas System, 15″ MLOK HG, LEFT Side Charging, Complete Upper Receiver

Description

This product is a Durkin Tactical AR-15 Complete Side Charging Upper complete with a 16″ barrel, an M4 Contour profile, made of 4150 Chrome Vanadium with a Parkerized finish, and features a 1:8 Twist Rate, a Carbine length gas system. This upper includes a 15 1/4″ MLOK Rail, a M4 flat-top forged upper receiver with forwarding assist, a BCA Bolt Carrier Group, a Flash Hider, and a Charging Handle. It is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension.

PRODUCT SPECS:

• Length: 16″
• Profile: M4 Contour
• Twist: 1:8
• Finish: Parkerized
• Material: 4150 Chrome Moly Vanadium
• Thread Pitch: 1/2 x 28
• Caliber: 5.56 NATO
• Feed Ramp: M4
• Gas System: Carbine
• Gas Block System: 0.750
• Gas Hole Diameter: 0.076
• Charging Style: Left Side Charging
• Color: Black
• Dimpled: Yes
• Classification: Complete Upper Assembly
• Platform: AR-15