I load 40 S&W Glock fired brass from a police range using a normal set of Lee carbide dies. As a matter of policy I scrap brass from high pressure cartridges such as 9mm and 40 S&W after 4 reloads.
Have not experienced any issue but I do not shoot a Glock in 40 S&W. My 40's are 1911's, Sig 229 Sport, CZ-40B and two S&W revolvers.
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