I shoot the 200 TSX in mine. Works well, fine bullet. I use H4350. I took a look and the last time I crono'd it I was getting 2830 FPS. Its a hammer. Both elk I shot with it went down like I'd shot them with a 45-70. Good expansion, but not excessive bloodshot. Didn't recover either bullet. Try the RL26 and report back. I tried a couple RL powders and velocity was good but accuracy wasn't as good as H4350 in my gun. Accubonds, 200 grain, shot well with 4350, but at the low end of the charge range. I really liked the 160 grain TSXs as well, the little bit I worked with them. 220 grain SGKs were accurate with 4350 about 2700 FPS (working from memory). Obama made me buy 8 pounds of the 4350 which should last me 45 years.