The only real reason for the nickle plating is to keep bare brass from forming green deposits in leather cartridge loops. Nickle plating is hard and can flake off and ruin reloading dies or what have you. This is the simple and only real reason for nickle plated brass. You'll have to decide for yourself if nickle fits your needs. Some allege nickle plated is stronger, but it is not as elastic as the brass it is on.