Get some of these targets and have a friend/shooting buddy call out a number, shape or color to you for you to shoot!
Law Enforcement Targets, Inc.: COMMAND TRAINING SHAPES & COLORS
I am posting a review of a DIY white lettering job that I did on all my Glocks for anyone interested in doing this. I used white nail polish to do this and I am very happy with the results. It has been several months, I would say 3 or 4 months and at least 500 rounds and it still looks like...