Update: I'm done with the 35 Whelen AI, going to the 358 Norma mag. I found out my "favorite" loads with the Whelen are running "70K to 72K:!! No wonder I was getting spectacular kills with this thing! Bummer! ha I just thought my rifle had a "fast barrel", the long Remington throat and the 1 in 16" twist. Mine handled every bullet I put through it, even the 310 Woodleigh. I love how this thing kills, and shoots, but I can't gamble with it. You gotta watch those Ackleys, they "do" cling to the chamber. Have less bolt thrust too. My loads were 'warm" by my "normal" observations ( easy bolt lift, primer pockets still tight) But I am legally blind in my left eye ( a non shooting related eye problem/repair) and am super protective of my good eye, ha. I love this rifle, so my smith will open the bolt fact, install an M16 extractor, rechamber and put a magnum magazine follower in. Its a 22" bbl, but the 358 Norma does fine with a 22". After 21 yrs with these speeds, I can't 'go back" to standard Whelen velocity "now"! ha Besides, I used the old Barnes 185XLC in a 338 WinMag for four years, it was a real killer, so the 180TTSX and 225TSX will do fine for me in this Norma. I'm just thankful my "ignorance was blessed". Love the Ackleys, but 21 yrs is enough of them.