you can shoot 44 spl in a 44 mag
you can down load a 45 LC (just a little) and they are very pleasant to shoot
Do I like have done, buy one of each. Oh wait I've got three Ruger 22 auto's and three Ruger 22 auto rifles and three SKS and a couple of Mac's. But don't tell my wife
Dwight
I remember the days of $14 a pound powder and $17 per thousand primers. 9mm ammo for less than $100. The cheapest I paid for 9mm was $56 per thousand. Ah, the old days, early 90's