.403 sounds a little big for a 40 (not doubting you ) .002 under bore would lead for me every time.
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.403 sounds a little big for a 40 (not doubting you ) .002 under bore would lead for me every time.
G'day All.
I've been reloading the 40S&W for awhile now with Lee 401-175-TC.
Shooting them out of a Glock35 with factory barrel.
Alloy is 5lb WW, 4lb Pure lead, 1/2lb 50/50 solder. Air dropped.
Sized .401 and lubed with Whitelable BAC.
Load is 5.3gr WSF in Win cases and Win primers.
Power factor is 177
Avg vel is 1011fps.
Nice accurate load.
virtually no leading after 300 rounds. A boresnake pulled through is all that is needed to get a shiny bore again.
A mate has an STI in 40S&W and his gun will also shoot my reloads with no leading either.
i shoot a bunch of them without any problems. i use the lee 6 cavity tc conventional lube boolit.