http://www.lymanproducts.com/lymanproducts/LymanUsersGuide.pdf
http://www.lymanproducts.com/lymanproducts/LymanUsersGuide.pdf
You can request a manual from the company.
Best to ask a gunsmith for assistance.
Do not atttempt this. Find a gunsmith.
Ask a gunsmith for help
Recommend you let a gunsmith do it.
Best left to a gunsmith.
Recommend a gunsmith be allowed to do it.
Impossible to answer without knowing the model of the rifle.
This is best left to a factory trained gunsmith.
Acquire an owner's manual.
Ask a good gunsmith for help