S&W never made a Model 69 semi-auto pistol
You need to ask a gunsmith for help.
Impossible to answer without more details.
50-350 usd
Ask a gunsmith for help
Ask a gunsmith for help.
Best left to a gunsmith.
No need to for regular cleaning.
50-260 or so
Best to ask a gunsmith for help
Best left to a trained gunsmith
100-2000 USD depending on specifics.
50-550 usd