I shot with 142gr smks, I did send some 139gr scenars down range and they too were good, they were sat on 49grs of n160 that gave 2861 fps,142gr smks were on 48.5grs of n160 for 2884 fps, scenars shot about 1 moa higher, did send some 142s downrange on 48.5grs of rel 19 and they shot 1 moa lower than n160 load, all shot well, reckon rel 19 load needed extra 0.5grs of powder, on 50.6 they were doing 2955, load was to hot even though they shot well.