I look at thousands of cartridge cases each year. I have found that you can find some pretty interesting things if you look very close. Now if you were never good at picking out different shapes in clouds, you might not see much in this post. Here’s a cartridge case that was picked up at a Crime Scene. Here’s the full headstamp photo Here’s the closeup of the primer. Here’s the closeups of the firing pin strike. If you haven’t made it out yet, it’s a dog. A few years ago a ran across one that made me start taking a closer look. This is the one that got me started.