It's only a few days before early season opener, so if that's what you're shooting, and you can't take time to pattern something else...

Most around here advocate for loose powder with caps. Also, most advocate for losing the Powerbelts in favor for a solid copper (Barnes), brass alloy (Lehigh/Bloodline), or bonded lead (SST, etc.) bullet for elk. My group has killed a lot of critters -- deer and elk -- with 120gr of Triple7 FFFG behind a 290 Barnes T-EZ bullet in our Knight Bighorns. It's powerful medicine for anything in North America.
We all shot Powerbelts before the Washington regulations changed, and had a lot of disintegrated bullets to show for it. If you manage to make a bone-free vital hit, they'll work just fine. Otherwise,
