thanks for your help im new to this will give it a try hard to understand will try@keith1 - your zero may vary, but,
FIRST things first
depending on which .177 barrel you have installed,
which pellet you choose,
which power wheel setting your on...
you need to chronograph the pellet speed with your given set up to make sure you are <20 FPE.
Once you have established your FPS the very best way to determine your zero (30 plus airguns later) is
start with a 25 yard zero on a absolute still day.
Once that initial zero is done do the following:
Take an 11"x14" piece of graph paper target (or something similar) and draw a line across the top - straight and thin, with dots every 1" on the line.
Place the target at 10 yards and aim for the first dot on the left and take your shot (from a bench is ideal)
move target to 10.5 yards and aim for the second dot and take your shot - your moving from left to right for a reason
move target to 11 yards and so on.... 1/2 yard at a time... the below picture will give you an idea of what will happen as you will be mapping the rise and fall of your pellet(s) trajectory.
You will notice that somewhere along the way, the small difference between your aim point and point of impact will be negligible (very small) on one of my guns this is 19 yards to 29 yards where i am almost at a perfect zero. ideally if your really into this you will zero or split the difference in the middle. In my case the difference was 10 yards or 5 yards before my zero and 5 yards after my initial zero so my guess at 25 yards was almost spot on (24 yards being the perfect middle).
You do not want your pellet to be rising past your zero... if this happens, move your zero point out to where your pellet peaked or reached it's apex.
After 20 yards you can shoot yard by yard and skip the 1/2 yard shots.
This same techniques will allow you to create some solid dope... note the splatter burst target below while being very visual isn't as good as an nice piece of thick graph paper. Below i was tracking two different gun trajectories at the same time. A Steyr HFT and my Redwolf in this case both were shooting 10.3's... i now primarily shoot 13.4's as they buck the wind better....
notice the redwolf hit it's apex at 20 yards whereas the Steyr stopped rising at 19 yards.
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