Federal Top Gun Sporting 410 Bore Ammo 2-1/2″ 1/2 oz. #9 Shot 250 Round Case;offers the following information; This 410 Bore shotshell ejects its half ounce payload of #9 lead shot fast, enabling you to shorten your lead considerably for better accuracy on the fly. It does so, however, while simultaneously reducing the recoil it generates — just what you ought to be looking for when you want to pull off fast follow-up shots. Federal never uses their affordable ammo’s price tag as an excuse to imbue it with low quality. You’ll find this shell’s hull sturdy enough to do you all sorts of good if you reload, and you’ll find your shotgun’s bore and action much cleaner after the fact thanks to Federal’s clean burning propellant and non-corrosive shotgun primer.