Ok, I just noticed with my cast results things were not quite jiving up and figured out why, when you add a new bullet you have to adjust your initial pressure to match the type of bullet, ie. copper jacket, soft lead, hard lead, brass/copper with/without driving bands, buck/slug they all have a dif starting pressure and will change the results quite a bit, once I put that data in correctly the numbers were much closer to what MFG data books showed as correct loads. Not a bad idea to also check the pre-programmed bullets as this is not always correct I have found.