LSS Gen 2 Chassis System is lightweight and compact, uses AR carbine-style buttstocks and buffer tubes. Castle nut and pistol grip also needed. Folding stock adapter available. Howa Mini action uses factory Howa magazines. This chassis was designed for short barreled rifles, with a short forend and minimum weight. It still offers the same benefits in accuracy and ergonomics, and is also the most economical chassis from MDT.