i am the friend in question. thanks for all the replies. so i did trying stripping and cleaning everything, i did try indexing the barrel and this helped a lot. i have also found that now i can shoot slugs reliably but with the superior liner, the slug liner the superior heavy in my gun is pants.
i was also very unlucky, my brand new scope couldn't hold zero and also dialling elevation it would not return, one email to element and sportsman and no quibble what so ever, they replaced the scope for a new one. now thats customer service. the other problem i had was my fx chrono. as i was trying to tune for a low spread i couldnt because the chrono was just making up numbers. i ditched that went back to my caldwell and now i have a es of 4 and guess what, slugs are now shooting as well as pellets.
i still cant use other peoples tunes but the winning combo for me was what was mentioned here, removed all liner orings,indexed the liner and followed Ernest row vid on high power tune. finally i can shoot and enjoy the gun after months of wasting lead.
i was also very unlucky, my brand new scope couldn't hold zero and also dialling elevation it would not return, one email to element and sportsman and no quibble what so ever, they replaced the scope for a new one. now thats customer service. the other problem i had was my fx chrono. as i was trying to tune for a low spread i couldnt because the chrono was just making up numbers. i ditched that went back to my caldwell and now i have a es of 4 and guess what, slugs are now shooting as well as pellets.
i still cant use other peoples tunes but the winning combo for me was what was mentioned here, removed all liner orings,indexed the liner and followed Ernest row vid on high power tune. finally i can shoot and enjoy the gun after months of wasting lead.
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