SISY (Sig Incompetency Syndrome Yahoo):
A derogatory acronym for individuals who falsely claim that their Sig P320 or P365 self-discharged, when in fact the discharge was likely due to user error, unsafe modifications, or ignorance of proper firearm handling and maintenance.
A derogatory acronym for individuals who falsely claim that their Sig P320 or P365 self-discharged, when in fact the discharge was likely due to user error, unsafe modifications, or ignorance of proper firearm handling and maintenance.
• “That guy who says his P365 went off in the holster? Classic case of SISY.”
• “Before blaming the gun, maybe check for SISY syndrome first.”
• “SISY isn’t a malfunction—it’s a malfunction between the ears.”
• “Before blaming the gun, maybe check for SISY syndrome first.”
• “SISY isn’t a malfunction—it’s a malfunction between the ears.”
by BobSolo July 26, 2025
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by henderysgf November 24, 2021
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