Originally posted by Pete99004:
I must be dumber than a stump because I can't figure out the model numbering system S&W is using for their pistols. Does anyone know what all these model numbers mean? There must be some reasonable function that tells me that is is a short barrel, lite weight, metal framed, CC version VS a LE, Tactical plastic version???? Please someone...help me understand.....
You have to know some history:
39 - first S&W double action 9mm, single stack, 8 round mag.
Improved version is 39-2.
The so-called "Second Generation" of the 39 is three digit, with first digit signifying material, with 4 meaning aluminum alloy frame with carbon steel slide, 5 meaning carbon steel frame and slide and 6 meaning stainless steel frame and slide, thus in the second gen 39, you could have a 439, 539 or 639, depending on type of material used.
When the 39 was improved again, the so-called Third Generation used four numbers, the first two were the original model number, 39, the third number was for features and the last number was for material.
If the last number was a 4, it was aluminum with a carbon slide; if the last number was a 6, it was stainless frame and slide and if the last number was a 3, it was an alloy frame, with stainless slide.
Thus, if you had a 3904, you had a 39 in alloy frame with carbon slide and Traditional Double Action (TDA). A 3906 is a 39 in stainless steel with TDA. A 3913 would be a mini-39, but with the smaller frame and shorter barrel, alloy frame and stainless slide, while the 3914 would be the mini-39, smaller frame and shorter barrel, alloy with carbon slide and barrel.
Similar rules, though not exactly for the 59 (except the mini 59 is called a 69 when it appears) as a second gen pistol, so you could get a 469 or 669 (aluminum frames with either carbon or stainless slides). So the 59 series becomes the second gen 459, 559 or 659. Third gen became 5904, 5944, 5905, 5906, 5943, 5946, etc.
The 45 did not appear until second gen, and it was only in stainless, called the 645. In third gen it became the 4500 series (4506, 4526, 4546, 4566, 4576 and 4586).
It go so complicated that S&W once had a "slide rule type device that they gave out to dealers and others to keep it straight.