Bl704
WKR
If you have a p320 you may want to read up on the 'Voluntary Sig P320 Upgrade' which should be available 8/14. According to the article the M17 is not affected.
SIG SAUER Issues Voluntary Upgrade of P320 Pistol | Sig Sauer
SIG SAUER Issues Voluntary Upgrade of P320 Pistol | Sig Sauer