I was young, dumb, and unfortunately there was no money involved
Loaded some Barnes XLC's with IMR 4831. Loaded too many cases and decided not to waste the effort. Put some Sierras on top of it. Duh.
Shooting over the chrony I was getting some wicked velocity and it was a 3 shot Half inch group!
Didn't even think, but checked the cases afterward. All of them had serious primer and face issues and two of three where a hair from splitting.
Moral to the story is if you want a 130gr Sierra to do 3250fps out of a WCF, use 58gr of IMR 4831, and expect to burn your face eventually.