I have shot 168 SMK's, 175 SMK's, 168 TMK's and 175 TMK's to good effect with in all of my bolt rifles, using Varget, IMR 4064, IMR 4895, and H 4895. I shoot moderate loads, mostly all for 600 yard shooting, but stretch to 800 at times. I've used all of these in different powder charges and COL...