TEALBOY: FIRST THING I WOULD GO WITH LOOSE POWDER I USE PYRODEX SELECT IN MY C.V.A. ECLIPSE MAG 50 CAL. BULLET OF MY CHOICE IS A PERCISION SABOT QT 40 235 GRAIN WITH A 110 GRAINS OF PYRODEX AND A CCI MAG CAP GUN SHOOTS AT THE 100 YARD TARGET 3 SHOTS INSINE A 3/4 HOLE.CHECK OUT PERCISION WEB SITE http://www.prbullet.com/