The Havak HIT action is silky smooth. With an integrated 20 MOA rail, recoil lug, extended thread tenon and flat bottom, its requires no need for bedding into our chassis. Offering a solution for the shooter to effortlessly change barrels. Barrel specifications are available open-source to anyone who wants to offer a drop-in barrel. Our tool less bolt will let you swap from standard to magnum calibers whenever you want. The chassis with toolless adjustability and foldable when you want to put it inside your favorite pack. Features M24 Contour, 5R rifling, threaded barrel; enhanced magwell design for AI pattern mags; M-LOK pattern forearm; changeable bolt head; M16 style extractor; quick-change barrel system; integrated 20 MOA Picatinny rail; integrated recoil lug; R700 trigger compatibility; extended barrel thread tenon; Chassis- dust door, tool less length of pull adjustment and cheek height adjustment, fully adjustable recoil pad, Carbon Fiber cheek piece, bag rider, adjustable height magazine latch, folding stock over bolt, barricade stop and AR-style vertical grip.