Vktr Industries VK-1 5.56 NATO 10.50" Black Threaded Barrel, M-LOK Handguard, Magpul FDE Cerakote Receiver w/Picatinny Rail, Black Polymer SB Tactical SBA3 Brace, MAGPUL K2 Grip, Ambidextrous The VK-1 is a lightweight, low profile, feature-rich, piston driven platform for the discerning shooter. Features patented state of the art internal components, offering shooters a flatter, cleaner, more consistent shooting experience than traditional DI or legacy piston driven platforms in the lowest profile footprint on the market. Includes two Magpul Gen 3 PMAGs, lock and hard case.