Serial numbers are one of the first clues collectors use when researching an older firearm. They can help place a gun within a production range, estimate a manufacturing year, identify a model variation, or confirm whether a feature belongs to the right period.

Serial Number & Collector Guide Search

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Search by maker, model, serial number, or common nickname.

Popular: Colt Python · Colt Lookup · Browning A5 · Model 10 · Woodsman

This page gathers the serial-number charts and identification guides published across Gun Collectors Club into one central hub. It is designed to help readers move quickly from a firearm in hand to the most relevant reference page.

Featured Colt Resource

Colt Serial Number Lookup Hub

Start here for Colt Python, 1911, Woodsman, Match Target, Cobra, Detective Special, 1903 Pocket Hammerless, Trooper, Lawman, and Single Action Army serial-number research.

The hub ties the Colt model pages to one central lookup path and points readers toward the interactive Colt serial-number tool when they want the fastest route.

Open Colt Serial Number Hub Launch Colt Lookup Tool

Need a Production Date?

Start with the most-used collector references, then move into the full serial-number library below. If you are holding a gun and trying to answer “when was it made?”, these are the fastest starting points.

Most Popular Guides S&W K-Frame Lookup Tool Colt Serial Number Lookup Hub
Serial-number research should be treated as a collector reference, not as a substitute for a factory letter, original invoice, or hands-on authentication.

Collector Tools & Supplies

Helpful references for identifying, documenting, and preserving collectible firearms.

Most Popular Serial Number Guides

These are the highest-value starting points based on current reader demand. They answer the questions collectors ask first: production year, correct era, model family, and whether the visible features fit the serial range.

1. Colt Python Serial NumbersProduction periods, serial ranges, barrel and underlug changes, finish clues, and collector identification notes. 2. Browning Auto-5 Serial NumbersBelgian and Japanese production eras, serial-number formats, and Auto-5 dating context. 3. Colt Woodsman Serial NumbersWoodsman and Match Target production clues, magazine notes, barrel styles, and model changes. 4. Smith & Wesson Model 10 DatesMilitary & Police production context, C-prefix dating, postwar changes, and K-frame clues. 5. Colt Police Positive Serial NumbersModel-family production periods, serial-number context, and factory verification notes. 6. K-22 Masterpiece TimelinePostwar K-22 production ranges, Model 17 transition clues, and collector features. 7. Winchester Model 42 Dating GuideProduction periods and collector identification guidance for the classic Model 42 shotgun. 8. Winchester Model 94 Serial Number LookupBaby Boom era serial-number chart, pre-64 production context, and Winchester Model 94 dating guidance. 9. Colt 1903 Serial NumbersPocket Hammerless dating, model context, and collector identification notes.

Smith & Wesson Serial Number Guides

Start here for Smith & Wesson K-Frame serial-number research, including the new master guide, lookup tool, Model 10, K-22, and Model 19 collector pages.

Smith & Wesson K-Frame Serial Number Master GuideComprehensive K-Frame production ranges for Model 10, K-22, Model 17, Model 19, Victory Models, and alpha-prefix era guns. Smith & Wesson K-Frame Serial Lookup ToolEnter a K-Frame serial number and quickly compare it with GCC production tables. Smith & Wesson Model 10 Collector GuideMilitary & Police history, postwar production, K-frame clues, and Model 10 dating context. Smith & Wesson K-22 Masterpiece SeriesPostwar K-22 history, Model 17 transition, production details, and collector observations. Smith & Wesson .357 Magnum / Model 19 GuideCombat Magnum and Model 19-3 collector context, serial dating, and K-frame .357 features.

Revolver Serial Number Guides

The highest-demand GCC traffic is in classic revolvers. These cards put the major Colt and Smith & Wesson references in a cleaner path.

Semi-Automatic Pistol Serial Number Guides

For Colt pocket pistols, Woodsman-family pistols, 1911-related references, and other classic semi-automatic collector pages.

Shotgun & Rifle Serial Number Guides

Shotgun and rifle traffic is growing, led by Browning Auto-5 and Winchester Model 42 identification searches.

How Collectors Should Use Serial Number Tables

Serial-number charts are most useful when combined with other evidence. Barrel markings, sights, grips, finish, proofs, address lines, frame features, and factory configuration details all matter. A serial number may suggest a date range, but the rest of the gun has to make sense with that range.

Many older manufacturers used overlapping ranges, skipped blocks, changed numbering systems, or made transitional parts changes before formal model updates were announced. That is why a careful collector looks at the whole firearm rather than relying on a single number.

Lookup Tools

Some visitors want to read a full guide, while others simply want the fastest route from a serial number to a likely production period. These lookup pages give readers a direct path and help keep serial-number traffic moving deeper into GCC.

Smith & Wesson K-Frame Serial Lookup Tool

Colt Serial Number Lookup Hub | Python, 1911, Woodsman & Cobra

From My Bench

Good reference books, magnification, lighting, and careful documentation all help when researching older firearms. I keep a curated list of collector tools, books, storage items, and bench gear that fit the way I work.

Browse My Gear List

As an Amazon Associate I earn from qualifying purchases. I only link to products, books, tools, and accessories that fit the editorial purpose of Gun Collectors Club.

Greg Cook

About Greg Cook

Greg Cook writes about firearms collecting, personal history, and the stories behind interesting guns. His Army MOS was 76Y, Unit Armorer, and he brings that practical background to his collector articles.