Successful reloading 40 S&W ends with a Lee Carbide Factory Crimp Die. 95% of my 40 S&W is once fired from Glocks and I have never had a chambering problem after I bought the LCFC die. I have one for 9 MM, 38/357, 40 S&W, 44 mag, and 45 acp. I use Dillon 550 progressive press.

__________________
S&WHF 366