The vk-1 rifle uses a patented low-profile piston system design featuring optimum gas port sizing and an advanced piston assembly.This features a unique cup and spigot design that improves the gas seal and overall efficiency of the gas system.The vk-1 includes a staged gas bleed system that allows the rifle to operate consistently, either suppressed or unsuppressed, with varying types of factory ammo.The vk-1 short stroke piston system includes a fully-supported one-piece op rod and removable gas block which matches the footprint and weight of a standard di ar-15 while providing the benefits of a piston driven system.Includes one california compliant compmag, rifle lock and hard case

Caliber: 5.56mm
Barrel Length: 16"
Capacity: 10+1
Trigger: Hiperfire Single Stage
Oal: 31.90"-34.50"
Weight: 6.80 lbs
Stock Description: Magpul SL
Muzzle: A2 Flash Hider
Sights: None, OpticReady
Barrel Description: Steel
Twist: 1:7"
Barrel Length Range: 16" to 16.99"
Weight Range: 6 lbs to 6.99 lbs
Hand: Ambidextrous
Stock Finish Group: Black
Metal Finish Group: Blued/Black