The GHM-9 is a 9mm PCC from B&T that was developed as an economized alternative to the APC-9. It uses the same grip assembly as the APC-9, but a smaller and simpler upper receiver and a few of the other parts are simplified - like non-captive recoil springs. It has a variety of modular options and configurations, but not as many as B&T's other offerings.

Oh, and the name? It's for GrassHopper Mouse, a creature that hunts and eats scorpions. No idea what that could be a reference to...