The 45's are sometimes finicky with either the powder or bullet choice when seeking magnum powder loads. That's why that caliber never really succeeded/found their nicheas many thought it would.

Like stated... start with 80gr & be prepared to try 2-4 different sabot/bullet designs/weights ... possibly two different powders also - before finding the magic load.You increase your odds for "faster" success by starting with Knight-Hornady & Barnes-packaged bullets. So the SST is a good choice to start. Now go pick-out something fromeither Knight or Barnes.

Best to have a couple of options. The Powerbeltsarealigned with CVA MLs.Whether theywork in your ML is questionable. Shorter ranges for sure -- longer shots your success odds go down.