My experience has been that BTs will show problems before flats in any given rifle. Whether it's a bad crown, concentric problems from seating, or jacket separations...BTs will usually tell you what your rifle likes or does not like. If you are shooting at moderate ranges (up to 200 yards), I would not worry too much on the choice as mentioned. If you are taking a 300 yard+ shot at say, a lope, I would want a good BT for the extra down-range energy and ballistics.