While I own and shot my M 52-2 from time yo time, just not able to shoot it as well as my 1911, trigger; grip angle; slow cycle time...etc, all seems to make it a much difficult gun to shoot well.
However, all is not lost, here are a couple of links I think will be helpful to all bullseye shooters:
These video feature Brain Zins, a 12 time NRA pistol champion.