I was getting a bad grouping with my 45-70. Changed out the scope and rings. Grouping still sucks. I can hit what I'm aiming at but it's about a 3 inch group at 50 yards. That's not good. Should I try different ammo? I've been using 325 grain leverevolution ammo. I'm thinking about trying new ammo and seeing if I can get it tighter. Btw, shooting 20 rounds out of a 45-70 sucks.