Smith Wesson Serial Number Lookup

  1. Smith Wesson Serial Numbers - Revolvers. Smith Wesson Serial Numbers - Pistols. There are some exceptions to the locations shown above for certain S&W pistols. On the Sigma series and the SW99 models, you will find the serial number in the locations shown in the pictures below. Smith Wesson Serial Numbers - Sigma Series. Smith Wesson Serial.
  2. Partnership with Horace Smith & Daniel B. Wesson was from 1856–1874. Family owned by the Wesson Family from 1874–1965. Smith & Wesson became a subsidiary of Bangor-Punta from 1965–1983. Between 1983–1987, Smith & Wesson was owned by the Lear Siegler Co. On May 22, 1987, it was sold to R.L.Tomkins, a British holding company.

I know you’ve been on the edge of your seat hoping for Part 2 of The Quest for the Ideal Carry Revolver. Unfortunately, thanks to nasty winter weather and the past week’s wild ammo market, I haven’t been to the range much lately. So until I get more trigger time with the revolvers I’m trying out, enjoy my best attempt at deciphering Smith & Wesson’s revolver catalog.

Obtain a copy of the 3rd Edition of 'The Standard Catalog of Smith & Wesson,' which lists all of the different gun models and the corresponding years of their serial numbers. For example, pre-World War Two models have only numbers, while later models can include letters.

We got some good feedback on our reference guide to 1st-3rd Gen S&W Semi-Autos, so for our Wheel Gun Wednesday series I thought I’d put together a similar chart for all of the S&W revolvers. And that’s exactly what I would have done except Smith & Wesson’s revolver model numbers have all been assigned by a mad genius. Sometimes there appears to be a logical numbering system at work, but it’s applied inconsistently, and varies from one product line to the next.

So instead of one big comprehensive chart for every Smith & Wesson revolver ever made, I’m offering this smaller bite-sized chunk: every post-1957 .38 Special and .357 Magnum revolver from S&W that officially entered full-scale production.

Why 1957? That’s the year when S&W switched over to assigning model numbers to each revolver rather than identifying them only by unique names (e.g., “Registered Magnum” or “Combat Masterpiece”). The nicknames still remained in many cases, but they could refer to a family or series of revolvers with similar characteristics.

In the charts below, I’ve grouped the models by frame size and then by series. Where possible, I’ve listed the defining features of each series. For each model, there’s information about its caliber, frame material, sights, finish, and ammo capacity. Here’s a handy key for how to read the chart:

Series Name: Some of these names were used in the actual S&W catalog but others are just nicknames. S&W stopped using some of these names, even when production of the model continued. For example, the “Military & Police” designation was dropped from the K-frame revolvers years ago (and recycled for their polymer semi-autos and AR rifles), but I’ve kept the designation in the chart for all revolvers that fit the original M&P criteria.

Series Features: Each series is identified by some unique features that don’t typically apply to other models of that frame size.

Caliber: For this post, all models are .38 Special or .357 Magnum. Most S&W .38 Special revolvers can handle +P ammo, but the +P designation doesn’t appear on the barrel of some older models so it’s always best to contact S&W customer service and verify that it’s safe.

Frame Material: S&W has used a variety of metals to construct their revolvers over the years but the frames all have been either steel or a lightweight aluminum alloy. Some variants of the alloy guns contain Scandium for an even lighter overall weight. The absolute lightest S&W revolver have also included a Titanium cylinder. I’ve noted the use of Sc or Ti on the chart when the only available version of a given model use those alloys. Other alloy frame guns listed on the charts may have Sc frame or Ti cylinder variants that exist in addition to the standard aluminum or steel versions.

Model Number: The model number assigned to the product without any prefixes or suffixes (with the exception of the “Plus” model L-frames).

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Sights: Sights can be fixed or adjustable. The fixed sights are generally a ramp style front sight with a gutter in the top strap to form the rear sight. S&W has used a variety of adjustable rear sights over the years, but most have a removable blade insert. Front sights on models with the adjustable rear can be the traditional ramp style machined into the barrel, but newer front sights are pinned, and can be removed and replaced with aftermarket front sights.

Finish: For the sake of simplicity, I’ve only used the labels “black” or “stainless” on the chart. Black can refer to a matte black finish or a glossy blue finish. Older models with a blue finish were often also available with a shiny nickel plated finish. Stainless can refer to the polished or matte stainless steel revolvers, or alloy revolvers with a silver matte finish that mimics the stainless steel look.

Ammo Capacity: All J-frame .38 Special and .357 magnum revolvers have a five-round capacity. K-frames all have six. L-frames can hold six or seven shots depending on the model. Older N-frame designs have a six-round capacity but the newer ones hold eight.

Smith Wesson Ctg Serial Number

Other Info: I’ve tried to keep the chart as complete as possible while still being readable. That said, there is still information you won’t be able to find here. The most significant omission is barrel length. Almost every model has been offered in multiple barrel lengths at some point but availability varies. The more common barrel lengths are listed in the summary for each frame size.

I also haven’t listed the variants available for each model. If a model number contains a suffix like “PD” or “Lady Smith”, it might mean that it has features that distinguish it from other models in the same series. Here’s an incomplete list of the more common variants and some other suffixes you might see on model numbers:

  • PD: “Personal Defense”. Usually indicates Scandium alloy frame.
  • Sc: Indicates frame with Scandium Alloy.
  • Ti: Titanium Cylinder. Usually accompanied by Scandium alloy frame.
  • Lady Smith: Name given to a number of variants in different calibers and frame sizes. Usually accompanied by special grips and engraving.
  • Airweight: Indicates an Aluminum alloy frame.
  • Airlite: Indicates a Scandium alloy frame.
  • Night Guard (NG): Series introduced in 2008 with models in various calibers and frame sizes. All have a 2.5-inch barrel, alloy frame, steel cylinder, Tritium front sight, and a removable Cylinder and Slide brand fixed rear sight.

J-Frame

The J-frame S&W revolver has become so ubiquitous that the term is often used as a generic reference to almost any small frame snub nosed revolver. The most common barrel length for a J-frame is 1 ⅞” but 3-inch models are also plentiful along with some other less common sizes.

J-Frame model numbers are determined by frame material, hammer/action type, and finish. Unlike K and L frame revolvers, S&W doesn’t use a separate model number for J-frames with adjustable versus fixed sights.

A few J-frame models started out as being offered in only .38 special, but in the mid-1990s, were beefed up to handle .357 magnum. I’ve included each of these multi-caliber models as two separate entries in the chart.

The three major J-frame model series are as follows:

  • Chief’s special: Standard hammer. Most have fixed sights but a few have been offered with adjustable sights.
  • Bodyguard: The original S&W Bodyguard. They include a hammer shroud with a small protrusion that allows the user to cock the hammer for single action shots.
  • Centennial: This is the name generally given to all “hammerless” S&W revolvers. They aren’t literally hammerless, but the hammer is completely internal, which means these revolvers can only be fired in double action.

K-Frame

The classic S&W K-frame is one of Smith & Wesson’s most enduring designs. Picture a typical 20th century policeman’s “service revolver” and it probably looks a lot like a K-frame with a 4-inch barrel. These mid-size revolvers have also been offered with long 6-inch barrels for target models, and 3-inch, 2.5-inch, and 2-inch snub nose versions for concealment.

Model numbers are based on finish, caliber, and whether the gun has fixed or adjustable sights.

There have been three major series of .38 Special and .357 magnum K-frames along with a couple of unique models:

Smith Wesson Serial Number Lookup
  • Military & Police: The original K-frame. They have fixed sights and no underlug or shroud around the ejector rod. The .357 magnum versions were added to the catalog along with the Combat Magnum series.
  • Combat Masterpiece: Essentially identical to the M&P line, but with the addition of adjustable sights. The model 68 — a special run for the California Highway Patrol — also includes a shrouded ejector rod.
  • Combat Magnum: These are the .357 versions of the Combat Masterpiece. The Combat Magnums have a shrouded ejector rod as standard.
  • Target Masterpiece: Target guns with adjustable sites and typically offered with a 6-inch barrel, but also available with 4-inch and 8 ⅜-inch barrels. The later models added a full underlug to the barrel.
  • Alloy K-frames: The only non-steel K-frame revolvers have been the 12 and 315. The Model 12 was offered for many years as a lightweight version of the model 10, but was discontinued in 1986. The 315 was offered for a very short time in 2008 as a part of the Night Guard series with a 2.5-inch barrel and upgraded sights. By some estimates, fewer than 1000 were ever produced.

L-Frame

The medium-large L-frame .357 models came along in the early 1980s as a bridge between the hefty N-frames and the smaller K-frames. Common barrel lengths are similar to the K-frames, with the 4-inch models being the most common and 6-inch, 3-inch, and 2.5-inch versions also available.

Also similar to the K-frame revolvers, the L-frame model numbers are determined by sights, finish, and frame material.

S&W has used the L-frame for a lot of its more innovative and experimental models. The 586 and 686 “plus” models were among the first 7-shot medium-frame revolvers on the market, and several lightweight alloy L-frames have been produced at various times.

  • Distinguished Combat Magnum: These are the flagship models of the L-frame line. They feature a full barrel underlug, steel frame, and adjustable sights.
  • Distinguished Service Magnum: Nearly identical to the Combat Magnum, only with fixed sights.
  • 619 & 620: These two were introduced as a replacement for the K-frame .357 models that S&W discontinued in the early 2000s. They are very similar to the 681/686, but have a slimmer barrel profile with a shrouded ejector rod rather than a full underlug.
  • 520: Not to be confused with the short-lived N-frame model 520. This was essentially an alloy framed version of the 620.
  • 386: The model with no name. There have been several versions of the 386, each with its own name and features. The common attributes are an alloy frame with a black finish and adjustable sights. With the exception of the 386 PD, all have had a 7-shot cylinder.
  • 242: The only “Centennial” hammerless Smith & Wesson that’s not a J-frame. Designed for concealed carry, it’s also the only L-frame chambered in .38 Special rather than .357 Magnum.

N-Frame

The S&W Model 27 N-Frame was the original platform for the .357 Magnum cartridge. The design proved to be durable, but it’s considered large and heavy for a 6-shooter by today’s standards. With modern metals, S&W has managed to cram eight rounds into the newer N-frame .357s.

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Available barrel lengths for N-frame revolvers have varied widely over the years, and include 3 1/2-inch, 4-inch, 5-inch, 6-inch, and 8 3/8-inch models, among others.

  • The Original Magnums: The Model 27 was the original .357 and was initially called the “Registered Magnum”. It has a deep blue finish, shrouded ejector, and adjustable sights. The budget model 28 “Highway Patrolman” has all the same features, but with a few minor changes, such as a slightly less polished finish.
  • 8-Shot Magnums: Neither the alloy 327 or the steel 627 have had an official name. Both of these 8-shot N-frames have been offered with various features and barrel lengths.
  • Military & Police: In 1980, the New York State Police ordered a model 27 with fixed sights. The ordered was never delivered, and a few thousand of these ended up in the general market. In 2005, S&W recycled the model number 520 for an alloy L-frame .357.

Work in Progress

I am by no means an expert on Smith & Wesson revolvers. Most of this information is just stuff I’ve picked up from window shopping for Smith & Wesson revolvers over the years. I’ve tried to verify and flesh out the info using other sources like the Standard Catalog of Smith & Wesson, but there are probably some omissions and errors in there somewhere. If you spot one, be sure to let me know. I’ll be checking on this post periodically and will update it with corrections and additions when I have the chance.

Today, Smith & Wesson is mostly known for revolvers and their growing line of M&P pistols. Despite the rapidly growing popularity of these polymer-framed striker fired semi-auto pistols, there’s also a lot of buzz around the former metal-framed S&W pistols that were discontinued a few years ago.

Smith Wesson Serial Number Lookup

Prices on the used market for the so-called 1st, 2nd, and 3rd generation S&W pistols are still affordable, but have been rapidly rising over the past couple of years. These pistols are usually tough, reliable, and excellent shooters. If you happen to run across one for a good price, now would be a great time to snatch it up.

The trouble with that plan is the absurdly confusing system that S&W used to assign the model numbers for these pistols. Today, their M&P pistols follow a pretty logical formula. I carry a M&P9c — a compact 9mm. Makes sense, right? Well, the 3rd Gen equivalent of that pistol is the 6904. But if it was made before the late 80’s, it would be the 2nd Gen version — the 469. And the single stack version would be the 3914, which is virtually identical to the 908. Confused yet?

Unless you’ve committed these models to memory, looking at the numbers stamped on the slide of an old S&W pistol in the case at a gun shop or an online ad doesn’t really tell you much. Even if you ask Google for some help, you might have to wade through a multi-page forum thread to get a straight answer.

Well, believe it or not, there is some logic to the old S&W numbering system, it’s just not particularly intuitive. So we whipped together this S&W semi-auto model number quick reference chart to make it a little easier for you the next time you misplace your S&W decoder ring.

Our chart covers most of the regular production models for the discontinued Smiths chambered in major service calibers. There are a few less common ones out there, but these are the pistols you’re most likely to run across today. Even with the chart, there might be a few confusing details about the numbering system, so keep reading for a little background info on each “generation” of S&W autos.

1st Gen Pistols

The first S&W semi-automatic chambered in a service caliber was the Model 39, which first saw the light of day in 1954. The aluminum alloy-framed 9mm pistol had an 8-shot single-stack magazine, a 4-inch barrel and a traditional double action/single action trigger with a slide-mounted safety/decocker, similar to what many people are familiar with from the Beretta 92 series. The Model 39 was developed as a potential replacement for the U.S. Army’s M1911A1. The Army declined to adopt the Model 39, but the pistol was a commercial success, and was even used by a few police departments as one of the very first semi-autos carried by American law enforcement.

Smith & Wesson 686 Serial Number Lookup

In the early 1970s, S&W released a version of the 39 that used a double-stack 14-round magazine dubbed the Model 59. Together, the 39 and 59 are considered the “first generation” of S&W semi-autos. All of the following S&W 2nd and 3rd generation 9mm pistols are essentially derivatives of these two and in many cases, their model number provides some clue to that origin.

2nd Gen Pistols

In the late 1970s the S&W models 439 and 459 were released, which are considered the first of the second generation pistols. These were basically the 39 and 59 with a few small changes and the number “4” added to the begining of the model number. Steel framed versions of these pistols followed, available with either a stainless, blued, or nickel finish. Blued and nickel model numbers start with “5” (539, 559) and the stainless steel models start with “6” (639, 659).

In the mid 1980s, S&W released two alloy-framed compact versions of the 59 series; the 469 (blued or nickel finish) and 669 (stainless finish). Establishing the form factor that the third gen compacts would follow, these pistols had a 3.5-inch barrel and 12-round magazine.

Around this same time, S&W also began producing their first .45 ACP pistol — the model 645. This was a large frame, single stack pistol with an 8-round magazine, 5-inch barrel, and DA/SA with slide-mounted safety/decocker just like the 9mm pistols. There is one variant of the second gen .45 pistol — the single action only model 745, which was a special limited run intended for IPSC competition shooters.

I hope you caught all that because here’s where it gets complicated…

3rd Gen Pistols

The third generation of S&W pistols started hitting the market in the late 80s. They can be easily spotted by their four-digit model numbers. S&W continued the numbering trend they had started on the 9mm pistols — the 3900 series are full size and compact single stack pistols, the 5900 series are double stacks, and the 6900 series are compact double stacks.

Third gen pistols in other calibers are much easier to remember. The 4500 series is for .45 ACP, 4000 series for .40 S&W, and 1000 series for 10mm.

So, looking at the first two digits of a four-digit model number from a 3rd gen pistol, we can know the caliber, and if it’s a 9mm, we might also know the frame size. The rest of the info we’d need is in the second half of the model number.

Smith and wesson serial number lookup jframe

The third digit indicates one of nine possible combinations of action type and frame size. Most S&W autos are DA/SA, but not all. Some are double action only (DAO), and a few were even made with a slide-mounted decocking lever and no external safety (similar to what you’d find on a Sig P220 series pistol). Each model series has a frame size and barrel length that is “standard” for that series, which we’ve listed on the chart. The third digit will tell you if a given model is the standard size, mid-size, or compact.

The final digit in the model number indicates the frame material and finish. Frames are either steel or aluminum alloy and the finish is either blued/black (sometimes with a nickel plating), or stainless/silver.

Exceptions

What makes this complex system frustrating to follow is that there are multiple exceptions to the product “codes”. Some are pretty easy to figure out like the “value” series pistols. These were budget versions of the third gen pistols that lack some of the finishing touches of the standard models and have a three-digit model number. The first two digits reflect the caliber (9, 40, or 45).

The Chief’s Special pistols are also easy to spot, like the one in the header image of this post. They are single stack, sub-compact variants with a “CS” pre-fix and they’re some of the most sought-after 3rd gen pistols on the used market. There’s one model each chambered in 9mm, .40 S&W, and .45ACP called the CS9, CS40, and CS45 respectively.

Besides these obvious exceptions, there are a few sneaky model numbers that look normal but don’t follow the numbering trends. For instance, the 6906 should really be the 6903 — a “6” for the final digit normally means stainless steel, but the 6906 is an alloy framed pistol with a silver stainless finish.

The compact .40 S&W pistols can also be confusing. Most are double stack, but a few single stack versions were made. The model 4040PD in particular breaks multiple model numbering “rules” and seems to have been given its name arbitrarily.

Letter suffixes are another detail to watch for. A couple of letters tacked to the end of the model name might mean something minor like a new finish, but they can also indicate major changes like the “TSW” (Tactical Smith & Wesson) series of pistols which indicate the addition of features like improved sights and accessory rails. Sometimes, the TSW pistols were built with a completely different frame size and barrel length than the standard model.

Some of the oddball model names come from pistols developed by S&W’s in-house custom shop, the Performance Center. To keep things simple (relatively speaking, anyway) we didn’t include these and other obscure models in our chart. If you want more detailed information on any of these models, I highly recommend picking up the Standard Catalog of Smith & Wesson which was a huge help in verifying the info for the chart.

Smith & Wesson Serial Decoder

Smith Wesson Serial Number Lookup

Hopefully, the next time you’re trying to track down a deal on an old Smith, this info will help your search go a little quicker. If we’ve missed anything important, or if you spot any errors in the chart, let me know and I’ll try to correct it ASAP. If you guys like this one, be sure to tell us in the comments and maybe we’ll tackle S&W revolvers in the next one!