Originally Posted by JEREMY logan
I have read in the past (can't remember were ) that you need a good SD and ES on your chronoy inorder to shoot well @ extended ranges so my question is if my load shows to be good @ 300 or 400 yrds would it mean my SD and ES is right were it needs to be?
Jeremy- I had/have a couple really good mentors
I communicated with on this board when I started loading for long range. Hopefully one of these guys will catch this thread. They both told me I needed an SD of 6fps or better. You can have an ES in the low teens and still achieve an SD of 6fps.
You can shoot good groups at 400 and not have good speeds. You can also have the opposite. Work up a load at close range with good #s then test it further down range would be my advise. It wasn't easy and it took along time for me but I'm much better off now for it.
I would also recommend shooting your charges in 3s. If your new to this the "ladder method" is likely going to provide confusing results down the line. Use your chronograph and shoot 3 shots, then step up the charge, 3 shots, step up the charge. This takes longer than the short cut methods but it leaves less for interpretation. I did a lot of tail chasing because I tried short cut methods. It may work OK for others but if your experience level is like mine was at the time it won't for you. Skip the short cuts learn to interpret your results and then you will recognize where you can use a short cut to your advantage. There is no advantage if you misinterpret your findings, there's just "back to the drawing board".
Again I'll quote the wise man from Idaho that said "There are no free lunches".
Good luck and don't relent on you questions.