Sig Sauer P320 pistol is fundamentally unsafe due to a proven mechanical defect that can cause it to fire without the trigger being pulled.  The author contends that the P320's widespread adoption was driven more by aggressive marketing than by merit, urging owners to immediately stop carrying the firearm for safety reasons. Ultimately, the source strongly asserts that the P320 is mechanically compromised and demonstrably unsafe, advising users to abandon it.