JUST PICKED UP A USED BUT IN GREAT SHAPE CZ 75 SP-01.DID NOT RELIZE IT HAS AN AMBI SAFETY. WOULD LIKE TO USE IN PRODUCTION. DOES NOT HAVE DECOCKER. IS IT OK TO MANUALLY LOWER HAMMER W/THUMB & FINGER W/FINGER ON TRIGGER?I WA SEXCITED TO GET THE GUN AND DI NOT RELZE THIS UNTIL I GOT HOME .PREVIOUS OWNE RSAID HE BOUGHT IT TO SHOOT PRODUCTION BUT NEVER GOT CHANCE WOULD LIKE SOME INPUT THANKS