They set up Gel Tests and fired into the blocks live in front of the group, with several calibers from each brand and offering. I was very impressed with the Gold Dot and Hydrashock rounds. Both performed flawlessly throughout the tests, including through flannel shirts and winter coats. Instructors had been invited to bring samples of their current duty ammo and some plugged when fired through clothing and failed to expand, becoming a solid projectile passing completely through the blocks.
Yep, one major agency was shocked. They couldn't fault the test, they brought the ammo and fired it from a carry gun worn by the instructor.We ordered 40 caliber Gold Dot for the department, I placed a personal order for 38, 9mm, and 45acp. It remained our duty ammo as long as I was with the Department.
I always recommended against carrying reloads for personal protection, though these days many lawyers will say as long as they are loaded to industry standards, and not custom Frankenstein loads, (Hot loaded hollow base wadcutters, loaded backwards in the case to create a gaping hollowpoint,) the argument can be defeated in court. But, avoid it entirely by buying factory ammunition.
Hope this helps...
Lucky Gunner has some great data on various rounds as well