If the CZ-75 fits your hands like you said it does, I think that's your option. Bit of extra weight to offset recoil.
I also second the motion of some toning/bulk work on your arms at the gym to mitigate fatigue.
Beretta PX4 .40 - Colt 1968 Detective Special .38 Spc. - Ruger LCP .380 - Daniel Defense M4V1 Carbine 5.56 - Ruger 10/22 .22LR - Remington 870 Express Tactical 12GA