A display version of GEMTECH's GM-9 suppressor is inert and requires no
BATFE paperwork. Great for dealers to display at shows without risk of
loss" or for Californians and other states where totalitarian
governments prevent their residents from owning common sense hearing
protection items. The inert GM-9 is a display item and is not intended
to be shot. Black anodized aluminum" threaded 1/2-28.