577/.450 Martini Henry Case Length Gauge

If you enjoy vintage victorian rifles like me, you are probably tired of having to measure each piece of brass with a caliper. This is for a 577/450 Martini Henry cartridge to measure case length. This works for me when I use Lee resizing dies, and i can tell immediately if its the correct length. When I form new cases I use this to quickly saw off the necks to near perfect length with only .001'-.002": trim needed.

WARNING this works great for my rifle and situation but may not yours! Use a