Epic Epic Two velocity problem

Have you gone through David's video on how to tune the hammer spring correctly? I have an EPIC One 700mm and use his suggested technique all the time when I switch slugs and pellets. Once you hit the "sweet spot" then it is very consistant with a very low SD. The gun will exhibit what yours is doing if the hammer spring is too strong.


There are also some additional tuning videos on their website:

 
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