I shot a lot of lead in my S&W wheelguns and the Colt 1911 . never needed anything more than the average cleaning kit.
I haven't seen damage from shooting FMJ after lead in my 1911. I know when I loaded up some SWC for my beloved P229 it became a jammomatic after that day I never tried lead again in that pistol.
I also hear P30 don't like lead? : (
That's to bad some of my best groups are shot using lead bullets in 9mm 45acp 38/357.
I think lead can be more accurate than some of the match grade jacketed stuff