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  2. Gun serial number - Wikipedia

    en.wikipedia.org/wiki/Gun_serial_number

    A gun serial number is a unique identifier assigned to a singular firearm. [A] There is no international uniformity in gun serial numbers. Besides a widespread numerical base, they may contain letters and other typographical symbols, or may consist entirely of a character string; positioning and form of such identifiers is idiosyncratic. [1] [3]

  3. Microstamping - Wikipedia

    en.wikipedia.org/wiki/Microstamping

    Commencing January 1, 2010, for all semiautomatic pistols that are not already listed on the roster pursuant to Section 12131, it is not designed and equipped with a microscopic array of characters that identify the make, model, and serial number of the pistol, etched or otherwise imprinted in two or more places on the interior surface or ...

  4. Forensic firearm examination - Wikipedia

    en.wikipedia.org/wiki/Forensic_firearm_examination

    Serial number examinations are a form of tool mark analysis. [18] Serial numbers became commonplace after the United States passed the Gun Control Act of 1968. This law mandated that all guns manufactured in or imported into the country have a serial number.

  5. List of military headstamps - Wikipedia

    en.wikipedia.org/wiki/List_of_military_headstamps

    The symbols on the lower arc of the stamp indicates the caliber (7.7mm, 5.56mm or 7.62mm) and R# or R#M# indicate the model (R) and mark (M) of the cartridge, like the Commonwealth L#A# stamp (e.g., R1M1 is the first model and second Mark of a cartridge). Later, the 2-digit year is in the 12 o'clock position and a digit in the 6 o'clock ...

  6. Receiver (firearms) - Wikipedia

    en.wikipedia.org/wiki/Receiver_(firearms)

    A disassembled Mauser action showing a partially disassembled receiver and bolt. In firearms terminology and law, the firearm frame or receiver is the part of a firearm which integrates other components by providing housing for internal action components such as the hammer, bolt or breechblock, firing pin and extractor, and has threaded interfaces for externally attaching ("receiving ...

  7. 3D printers turn regular guns into machine guns. Feds are ...

    www.aol.com/3d-printers-turn-regular-guns...

    Personally made firearms that fire one shot at a time are legal, as is 3D printing certain guns as a hobbyist. But further manufacturing faces a key legal test in October when the Supreme Court ...

  8. eTrace - Wikipedia

    en.wikipedia.org/wiki/ETrace

    The basis for ATF to trace a firearm is Make, Model and Serial Number. Serial Numbers: Serial numbers on guns are not sacrosanct. Recording of serial numbers by ATF, police or dealers is subject to human error, as it is easy to misread a serial (for example: confusing the number 0 with the letter O, 2 with Z, or 5 with S), omit a digit or two ...

  9. Supreme Court will take up the legal fight over ghost guns ...

    www.aol.com/news/supreme-court-legal-fight-over...

    The Supreme Court agreed on Monday to take up a Biden administration appeal over the regulation of difficult-to-trace ghost guns that had been struck down by lower courts. The justices by a 5-4 ...