
Glock Generations Decoded: Gen1 to Gen5 Changes That Matter
A clear, hands-on walk through Gen1 to Gen5 Glock differences you can actually see and feel, plus quick ID cues, useful markings, and a 10-minute inspection plan.
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Documented firearms are pieces whose history, ownership, provenance, or special significance has been verified and recorded through contemporaneous primary sources, military records, factory shipping ledgers, historical photographs, authenticated correspondence, estate inventories, or other documentary evidence that establishes a clear and credible account of the firearm’s origins and subsequent history. In the collecting world, documentation transforms a firearm from an interesting object into a historically verifiable artifact, and the quality and completeness of that documentation profoundly affects both the piece’s significance and its market value.
The most highly valued documentation in firearms collecting typically takes the form of factory records confirming original configuration and shipping destination, which allow a firearm to be placed precisely in its historical context. For American firearms, factory letters from manufacturers such as Colt, Winchester, and Smith & Wesson provide authoritative confirmation of a specific serial number’s original specifications, date of manufacture, and original point of sale. These letters, issued by the respective companies’ historical departments or research services, are considered the gold standard of primary documentation and can dramatically increase a firearm’s value when they confirm unusual features, early production dates, or significant original destinations.
Military documentation, including acceptance stamps, proof marks, unit markings, and associated service records, provides another category of highly significant provenance for martial arms. A pistol with verifiable documented service in a specific military conflict, particularly when that service is accompanied by photographic or written historical evidence, carries historical weight far beyond its mechanical character.
Personal provenance documentation, such as authenticated letters, estate records, or photographs linking a firearm to a notable historical figure, can create the most dramatic value premiums of all. A thoroughly documented connection to an important historical person transforms an otherwise ordinary firearm into an irreplaceable piece of history, placing it in a category that transcends the conventional collector market entirely.
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A clear, hands-on walk through Gen1 to Gen5 Glock differences you can actually see and feel, plus quick ID cues, useful markings, and a 10-minute inspection plan.

A practical collector’s guide to the Winchester Model 70. Quick ID of Pre-64, Post-64, and Classic; CRF vs push-feed; triggers; stocks and barrels; serial dating; and a no-nonsense inspection checklist.
From Tikkakoski’s barrel shop to Sako’s Riihimäki plant, this is the real story behind Tikka’s T3 and T3x. We cover actions, barrels, triggers, model lines, and what matters to buyers and collectors.