Posted my match video in another thread but it's derailing discussion in there, so posting this here so as not to hijack his thread.
Back in November, my chronic light primer strikes finally came to a head. Realized my bench wasn't anchored to the floor or the wall so it was tipping back slightly when I went to seat primers. Moved all my loaded practice ammo and unloaded projectiles off the floor and on to the lower shelf of the bench and continued loading. Haven't had a problem since. (Well, I had one. At the last match before this. But just one, and it went off with a second strike.)
So when I was loading up this ammo late Thursday night, I didn't think about the fact that I shot up most of my loaded ammo in the MFCEO class Monday/Tuesday. And I am down to my last box of Blue Bullets while I save up for a 10k order. So my bench had almost no weight on it, and I was in a rush, and... you see the result.
It's a bummer, but I'm glad it happened now and not at South Carolina in two weeks. I'll be checking the primers on all the match ammo I load for that and probably look at actually anchoring down my workbench. It hurts me at some level to permanently affix an $80 folding workbench to my house, but watching this match video hurts me more.