Stock photography, photos: 12 Gauge Shotgun Shells Stock photos of Two 12 gauge shotgun shells. Photograph: © Brian Ewing Click for a larger image and more information Keywords associated with this stock photo: shotgun,gun,target practice,ammunition,ammo,sport,equipment,firearm,shells,sports,hunting,shooting,lead,pellets,plastic,cases,firing,primer,Brian Ewing,Ewing