Slugs in lower powered guns

Here's a couple of 10.03 JSB Knockouts running 775 fps from my regulated Diana Stormrider. It shoots them as well as any pellet I've ever tried and they make a nice pop when they hit a potato.
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Wow, Beautiful expansion!
Thanks! I gave some to a buddy of mine and he took a couple of squirrels with them using his S200 and said they made a nice pop. That inspired me to give them an expansion test at around the velocity he's shooting them. I can tell you that they are very explosive at 1000 fps.