Ok here's the deal I cant figure out if I'm happy with this ammos performance or not? My son shoots a contender 24 inch 30-30 with the above ammo and its very accurate to 300 yards, however he has hit 3 deer with this ammo and all three have failed to expand? All three were straight pass throughs, but 2 were neck shots and DRT the third was a high lung shot and the deer ran about 150 yards and died? So why the bullet has done the intended job it as failed to expand as advertised or even expand at all? Does anyone else have any experience with this ammo?