Somewhat struggling getting the SD/ES to tighten up. Info below. My pellet M3 is in the single digits but this one is hovering a bit. Impact M3 .25 700MM Slug Liner/Tungsten Hammer Reg 1: 190 Reg 2: 155 Macro: 15 Micro: 4 Max speed is about 1035 fps or so. I know people say to be 3-5% lower...