NOT KNOWN DETAILS ABOUT MODEL 60 S&W

But I have recently obtained a M&P 9mm that has a similar concern with weak ejection. I have study that A few of these guns just "want to interrupt in" and up to now I've fired around 250 rounds of ammo (several mfgs.I'm sure I will not likely manage to relaxation however till I test some effectively know, confirmed .44 mags at 240gr., such as the