If you do try your hand at the game, it may help to shoot rounds nearer the 850-1000fps performance level. Mostly due to the fatigue factor. If you don't currently reload, .44 Special is a good alternative to factory .44 Magnum ammo. If your muzzle velocity is really low, getting all of your sight settings to work with the available sights travels can be a bit vexing. Helps to have a pair of calipers to sort changes on all four positions. The cheap plastic calipers work great and shouldn't mar the finish.

If you're really crazy, here's an idea for recording rear sight settings!: