9mm is junk. Look at Paul Harrels 9mm vs .40s&w. 9mm in comparison with .40s&w and .357sig often fail to expaned. 40s and 357sigs blossom like roses with a heat morning. Agencies modifications 'trigger it's less costly and a bit simpler to shoot. I concur it won't be extensive just https://juliam372qbl9.buscawiki.com/user