The VK-1 Complete Upper 16" features a precision-machined bolt carrier and an enhanced upper rail for a continuous 12 o’clock Picatinny mount, offering weight reduction and accessory versatility. The thermal fit receiver and patented VK-1 Piston System together enhance accuracy and ensure steadfast reliability in varying conditions. Completed with a Radian Weapons Raptor charging handle and a low-profile MLOK handguard, this upper is the choice for shooters prioritizing precision and adaptability.