Wouldn't worry about brass case life.....
You'll most likely lose them on the wet forest floor while filling your deer tag before you wear 'em put
Accuracy ? The earlier pre safety was built prior to 1983 is just more desirable by some
Ballard style rifling will have these on the barrel '*****'
Some say to crimp bullets.......some not.....I crimp all lever gun ammo
Lee makes a good budget die set
http://marauder.homestead.com/files/TUNING_M_1894.htm