I SHOOT A 7MM-08 WITH A 16 1/2 INCH BARREL. I JUST STARTED RELOADING I AM LOADING NOSLER BALLISTIC TIP 140 GRAIN 284" DIA I USE IMR 4350 POWDER. I NEED MIN. AND MAX GRAINS OF POWDER.I ALSO NEED THE LENTH TO TRIM MY CASING AND LENTH AFTER BULLET IS LOADED.I REALLY ENJOY RELOADING BUT CANT SEEM...