im going to make a post for people and teach them the correct way to shoot a powerbelt. There have been multipul posts warning people to NOT use 150 grains of powder with a powerbelt, including the platinums. These bullets need to be driven by a charge from 70 grains to 90 grains of powder. 225-300 grain powerbelts. The heavier bullets such as the 338+ can handle a 100 grain charge and perform perfectly.
I use 80 grains triple 7 with a 225 powerbelt in the .45 and the performance is amazing and puts the deer down with a few yards.