Originally Posted by CDN_Stalker
You really won't be able to set your hop up (or see any effect) unless you can shoot past 100ft. Need to see the loft effect fully in order to adjust it. Get yourself a laser bore sight ($35 at Le Baron, likely gun stores would have the same) and zero your scope with that while at home (although 20ft is rather short, I do it at 30ft in my basement), then get to the field, set your hop up and then see if your sights are on or off, and adjust as needed. I rarely need to tweak my scope/sights by this method.
BTW, you should be checking and resetting your hop up before every game since temperature and air conditions will rarely be identical one day to the next. Cooler days will cause you to overhop a bit more, warmer will underhop. Add in windier conditions, over hop........... you get the picture.
Sounds like good advice, thanks. I saw a bushnel lase bore sight, looks like a fast way to do it. My groupings are awesome right out of the box I fired on full auto for about 3/4 of a second and it blew out a dime sized hole in a shipping box, all the BB's in the same spot! I could be shooting fairly hard, need to get a chrono for myself. From 20ft it goes right through two shipping boxes and dents the wall behind (as I found out when I moved the boxes away, lol.