Is it okay for me to mix brands and types of ammo in my 10/22? By brands, I mean, well - brands. And by type I mean copper plated, lead, hollowpoint, round, etc.. I'd like to be able to load 9 rounds in my stock mags, in groups of three of a given flavor and shoot from a bench rest to figure out which ammo the gun likes. I guess my specific question is whether it's okay to use multiple brands/types in a single magazine. Question 2: Is it okay for me to use lead shot cartridges in my 10/22? I have no real use for them, but it sounds like fun to buy a box and see what they do - but I don't want to find out the hard way that they're bad for the barrel.