Mine loadsand shoots greatwith short black or crush rib sabots.
Took a woodchuck at 143 yds this weekend with 110 gr BH209 and 250 gr Lehigh.
Several deer last year - same powder and 260 Nosler.
As far as powerbelts out of it, I wouldn't foul it that way.
check out the cva accura www.budsgunshop.com They have great prices on them for an excellent rifle. Theres a guy on monstermuleys with the .45 accura shooting 4 pellets ( 120gr total) with the 275gr powerbelt and hes getting 4 bullets to touch @ 100 yards
Once again, the thread starter was not asking about CVA's or for recomendations.
He was asking for info on TC Triumph's - the best source of which would be those who own and shoot them.