I came across this brass while reloading the other day. Headstamp reads “IMT 9mm Luger”. You’ll notice on the cut out piece of brass that there’s a ridge on the inside of the case where the brass gets thicker, as opposed to normal brass that thickens gradually down the length of the case. The trouble I ran into with this stuff was when running it into the crimp die, sometimes they would stick. They would …
Read More »