The Dual Gauge Shotshell Case holds 25 shotshells in the down position. The removable tray is for 20 gauge. With the tray out, the box it will hold 12 and 16 gauge shells up to 3". Fired 2.75" shells will fit back in the box, important, if you're reloading. The latch has been designed to be opened easily, even with gloves, and the case has a mechanical hinge. This case can also be used to organize some brands of 28, 20, and 12 gauge choke tubes with a maximum lenghth of 2.7".