Description

• 16″ 5.56x45mm NATO CHF barrel
• Durable Armor Black 7075-T6 aluminum receiver
• Patented VK-1 short stroke piston system
• 15″ low profile M-LOK free float handguard
• Radian Raptor ambidextrous charging handle
• One piece thin dense chrome bolt carrier group
• Thermal fit receiver for enhanced accuracy
• Includes carbine buffer and recoil spring

VKTR Industries VK-1 Complete 16″ Piston Upper Receiver

The VKTR Industries VK-1 Complete Upper is a high-performance 5.56x45mm NATO assembly finished in Armor Black. It features a 16″ cold hammer-forged (CHF) barrel with a 1:7 twist, machined cooling flutes, and a QPQ nitride finish for maximum durability. Built on a thermal-fit forged aluminum receiver to eliminate heat-related POI shift, it utilizes the patented VK-1 Short Stroke Piston System. This AR-15 unit includes a 15″ low-profile M-LOK handguard, a Radian Raptor ambidextrous charging handle, and a one-piece chrome-finished bolt carrier group.Note: This piston-driven upper typically includes a required carbine buffer and spring to ensure optimized cycling and reliability within the VK-1 system.