VKTR VK-1 Complete AR-15 Upper — 5.56, 10.5 in

Description

The VKTR VK-1 is a complete AR-15 upper designed for compact builds that prioritize a short overall length without sacrificing reliability. It ships as a finished upper with a 10.5-inch 4140 hammer-forged barrel finished in nitride, a patented low-profile piston system, and an enhanced rail for mounting accessories. The assembly includes a precision-machined bolt carrier group with a patented cam path, an adjustable gas system, and a Radian Raptor charging handle for positive manipulation. The 9.85-inch handguard provides a lean profile while offering multiple attachment points.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel length is 10.5 inches.
• The barrel is specified as 4140 hammer-forged steel with a nitride finish.
• The reported rate of twist is 1:7″.
• The handguard length is 9.85 inches.
• The upper receiver is billet aluminum.
• The operating system is a patented low-profile piston with an adjustable gas system.
• Includes a Radian Raptor charging handle.
• Configured with a 15-slot enhanced upper rail and a continuous 12 o’clock Picatinny section for optics and accessories.
• Includes an A2 flash hider as the muzzle device.

Built for shooters assembling compact AR platforms, the VKTR VK-1 upper balances a short barrel length with a robust piston-driven operating system and durable nitride finish. Its enhanced rail and precision-machined components make it well suited for compact duty builds or personal defense configurations where a reduced-length upper is desired without compromising accessory compatibility or mechanical consistency.