toshirohayate wrote:I don't think you need 50 MM unless you're going for a bow. But slings do just fine with 15 MM. (Though you already went to 20..)
Indeed, slings do work fine from about 15-20 MM, though it's not because of a bow some people go higher. I only shoot with a sling and I went up to 100 MM and now it's unbelievable fast haha