Just picked up a used CZ 75 SP-01.I was so excited i did not realize the pistol had ambi safety not a decocking lever.Would like to know would this be legal to shoot in production by lowering the safety w/thumb 7 FINGER ON HAMMER while squeezing on trigger? I heard a lot about these pistols and paid a lot of money for used one in great shape w/6 mags & holster.Any input would help.Thanks