The vk-1 is a lightweight, low profile, piston driven platform.Patented internal components, offering shooters a flatter, cleaner, more consistent shooting experience than traditional di or legacy piston driven platforms.Features fully ambidextrous, including a patented billet machined magazine release and bolt catch; angled strike face that corresponds to the vertical plane of the buffer assembly giving a greater area of surface contact; precision machined one-piece patented bolt carrier with a true 22.5 degree long advanced cam path, finished in thin, dense chrome.The patented long enhanced cam path provides for consistent lock up, shot after shot.This results in increased reliability, minimal muzzle rise and reduced recoil.Includes two magpul gen3 pmag's, lock and hard case.Caliber: 5.56 NATOBarrel Length: 11.50"Capacity: 30+1Safety: Safety Selector SwitchGrips: Magpul K2Sights: NoneWeight: 6 lbsStock Material: PolymerOal: 27.30"-29.90"Stock Finish: BlackBarrel Length Range: 11" to 11.99"Weight Range: 6 lbs to 6.99 lbs