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auto-5 date of manufacture by serial number: [https://www.browning.com/support/date-your-firearm/auto-5-semi-automatic-shotgun.html](https://www.browning.com/support/date-your-firearm/auto-5-semi-automatic-shotgun.html)
auto-5 date of manufacture by serial number: [https://www.browning.com/support/date-your-firearm/auto-5-semi-automatic-shotgun.html](https://www.browning.com/support/date-your-firearm/auto-5-semi-automatic-shotgun.html)