VKTR VK-1 Complete Upper 5.56 NATO 16 in. Black

The VKTR VK-1 Complete Upper is a factory-assembled AR-15 upper built around a 16-inch nitride steel barrel chambered for .223 REM/5.56 NATO. It features a billet aluminum upper receiver and a piston-actuated VK-1 gas system with an adjustable gas setting. The upper ships with a 15-inch handguard, a Radian Raptor charging handle, and an A2 flash hider for standard muzzle control.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel measures 16 inches.
• The rifling twist rate is 1:7″.
• The barrel is constructed from steel.
• The barrel finish is nitride.
• The handguard measures 15 inches.
• The upper receiver is billet aluminum.
• The gas system is a piston-actuated VK-1 system with adjustable gas.
• Includes a Radian Raptor charging handle.
• The muzzle device is an A2 flash hider.

Configured for shooters who value modularity and reliable operation, the VK-1 Complete Upper pairs durable materials with a user-adjustable gas system to support accurate, adaptable AR-15 builds for range use, training, or field applications.