I've tried several different bullets with my CZ. With MG 115 JHP, I had to load at 1.085, with MG 147 FMJ I had to load the same. With some home cast 147's, I could load out to 1.150, and with PD 147 FMJ's, I could load out to 1.150. It all depends on the bullet ogive. My current load is 3.5 N320 with a PD 147 FMJ @ 1.150, gives me. 134 PF.