Coastal Gun has developed an entire 9mm barreled AR15/M16 upper that the M.I.M.S. suppressor threads into. This unit comes complete with a flat top 9mm upper, a custom made 9mm 5” non ported barrel, a modular picatinny quad rail system, and a K-grip. This upper is ideal for compact short barreled rifles or submachine guns. This unit is sold complete with or without a M.I.M.S. suppressor.
