SIG Sauer Issuing Voluntary Upgrade on P320 Pistols this was due to some guns discharging when dropped on the slide frame!
https://www.sigsauer.com/press-releases/sig-sauer-issues-voluntary-upgrade-p320-pistol/ (https://www.sigsauer.com/press-releases/sig-sauer-issues-voluntary-upgrade-p320-pistol/)
https://www.gunsamerica.com/blog/sig-sauer-issuing-voluntary-upgrade-p320-pistols/ (https://www.gunsamerica.com/blog/sig-sauer-issuing-voluntary-upgrade-p320-pistols/)
This is from RECOIL on FaceBook...So here's what we're looking at:
Revised striker, chassis, trigger, disconnector, and sear housing for the P320
https://www.facebook.com/Recoil.gun.lifestyle/ (https://www.facebook.com/Recoil.gun.lifestyle/)
(https://scontent-atl3-1.xx.fbcdn.net/v/t1.0-9/20664558_1474249925987537_1868644733614858547_n.jpg?oh=0f762e80938f5d2b6e93df59513fcb4b&oe=5A283259)
I saw some tests done wherein this may be a trigger weight issue, depending on how the gun is dropped.
It is speculation, but we might see trigger safety upgrades like on Glock pistols.