I just got through a box of 100 168 gr SMK that shot great until it hit 1000yds, it then went transonic and tumbled, but at 100yd .375" 3 shot groups with a factory 700 ADL, I was very happy to say the least. I was loading 57.5 gr H-4350, Rem brass, Win Large Rifle primers, 3.300 Coal, the load...