Dating firearms serial number are we officially dating wikipedia
If your firearm does not appear in the listing, please understand that this is not a comprehensive database.If your firearm serial number is not listed, please contact Customer Service at 1-800-962-COLT(2658) for more assistance.
If the weapon survives a certain number of these, it passes, and all weapons in the lot get the proof mark to certify they meet the government's minimum expectations of function and safety.
Though the US government has inspection processes for military goods, there is no proof house of any sort for domestic US gun makers.
There are many “legends” about why the historic serial number records for Winchester rifles and shotguns are not complete or why they are not always verifiable.
A few reasons cited are: There is probably some kernel of truth to all of them.
Do not insert spaces between any character in your serial number.