I cast a 525 grain bullet from an adjustable RCBS 50 caliber mold. The bullet is extremely accurate in my Knight rifle. For an elk load-I load 120 grains of 3F Blackpowder. This load is very accurate(IMO). It will also knock you off the bench. The safety knob brings the blood to the webbing in my thumb and forefinger. I have chronoed(spelling) it at 1600 fps. It is a devastating elk load. I do not recommend this load to anyone who is even remotely recoil sensitive, and it should be approached with great care. My normal load for this bullet is 80 grains of 3F. 80 grains of 3F is no picnic. Tom.