so i just bought a remington sps varmint in 22-250. i had some loaded rounds from a different rifle using 55 gr nosler BT and H380 powder that i used for bore sighting. i thought i would try some of the new nosler varmageddons with the flat bases and the polymer tips. i tried loads with varget and h380 and all the the bullet holes in with the varmegeddon were oblong and appearded not to stabilize, but the Nosler BT looked fine. the barrel is a 14 twist. does this sound right, would a flat base make a difference like this. i would think a 14 would stabilize a 55 gr bullet. thanks in advance.