Sale! BUY WINCHESTER SUPER-X SHOTSHELL 500 ROUND BOX $500.00 $375.00 Rated 4.25 out of 5 The Winchester Super-X is a pump-action shotgun that was first introduced in 1912. It is a repeating shotgun that can hold up to five rounds in its internal magazine and one round in the chamber. It is available in a variety of different calibers and barrel lengths. Add to cart