Thanks to everyone that has added to this thread.
I think that I have the info that I need to move forward. The big thing for me is continuity. When I picked the rifle up the one thing that I failed to take into account was the popularity of the Caliber (or not) .50 is the go to caliber in Canada, then .54 and finally .45. I was given a selection of T/C, Barnes, Red Hot, Hornady and Powerbelts but not enough of anyone bullet to really focus on getting to know the rifle .45 supplies here almost non existent right now
I'm going to go with the Hornady 180gr, light blue crush and tan MMP sabots, BH209 with 209 bare primer conversion and Federal 209A primers. I managed to get two boxes of the .400 XTP.
Thanks again. Your help has been much appreciated.
Greg Daws