It's honestly one of my favorite loads. I don't find it to be the best to break in a gun, but if you've already got 500 rds through I would think you'd be ok. If you had a chronograph that'd be a good way to see if its really underpowered.
Guns don't kill people. Apes with guns kill people! - Robin Williams
Number of handguns currently owned and previously owned: 45.