Jake, It doesn't look like he did anything w/20 cals. From what I can find the 20 fans went for heavier (45 & 50 Gr. pills). The development of 20's was by wildcatters and Bullet makers. The 40 GR v-max is great as is the Hornady factory load. My gang has Encores, Savage and Rugers (#1 & 77). All shoot both 32 & 40 Hornady FL's in little groups. Just now getting enough brass to reload. 1st will be some 35 Bergers. With FL 40's Ground hogs just collapse. Fox come to pieces. If you want to shoot fox I would load a lot slower, under 3,000 if you can get the accuracy. Dick PS don't believe anything that you read on line. INVESTIGATE for yourself