I did some tinkering with the 120gr TTSX out of a Weatherby (How 1500) in 7mm-08. With 43.9gr of Varget and the 120gr TTSX, I got 2909avg velocity. SD and ES weren't great, but that was also with 0.0015" neck tension. With 43.6gr Varget I had 2870avg velocity and 8.5 SD and 23 ES, but only in...