I my experience it doesn't make much difference. Ten years of High Power Silhouette Shooting was all boat tails. Mostly Sierra'a and a few Hornadys and Speers when I was out of Sierras. The one exception is with factory Weatherby rifles. I have .257, 270, 7mm, 300, 30-378, 340, 338-378. none shoot boat tails worth a hoot, except the 340 which shoots 250 Sierra's great. That has been my experience. Mule Deer has had different results then me with his Weatherby's.
