Andy Logan recently contacted us about trying to get some extra rounds into his Grand Power — a popular variant of the CZ-75. The Grand Power is non-standard in several ways, but we found it accepts our CZ-75 140mm mag extensions. Using factory Atlanta Arms and Ammo 9mm we got 21+1 here in our shop. Andy reports getting 20+1 with his reloads (21+1 tight). The basepad fits very tightly compared to the fit on a “normal” CZ mag, but if you’ve got a Grand Power, an old STI GP6, or the IPSC title-winning Exclaibur, we’ve got a 140mm part for you!