Groups were fired from a Caldwell Rock BR adjustable front rest and a rear sandbag at 100 yards. Velocity is in feet per second calculated at the muzzle using a Labradar device; E.S. - Extreme Spread; S.D. - Standard Deviation; Sm.grp. - size of smallest single group for that ammunition, in inches; Ave. Grp. - the average group size in inches for 3 3-shot groups.