NcSTAR A12SH4/6 Universal 12ga Shots A12sh4/6 is a very unique shot gun side saddle that will hold up to 6 each 12 gauge shot shells The 4/6 split design will also allow you to configure the side saddle to fit onto pump shotguns Designed to fit onto the side if the receiver for the majority of shot gun Purchase a couple side saddles and load them up with different types of shot shells