1st Gen Glock 19 - The most common question of new Glock buyers is "What Gen is my Glock?" Prior to the release of the 4th generation, Glock was officially identified by model numbers, contributing to the idea that "Glock is Glock is Glock - All the same." But early collectors recognized the differences and settled informally on three main multiples, or "generations," by which they would distinguish themselves. The nomenclature became so common that Glock followed suit with the release of the Gen 4 in 2008, and their brochures now highlight the first Gens in some places.
The images below will help you clearly identify which generation your Glock belongs to, but be aware that there is a lot of overlap as the models were slow. Also, 3rd gen guns are still being produced due to gun restrictions in California, so you could have a gen 5 gun that is actually older than your gen 3! Captions on images identify key features that are consistent throughout a generation, but minor changes in markings and internals can be found at different times - and sometimes back and forth - within the same Gen. Therefore, a strong separation between generations describes only important structural revisions, where many parts change twice or more, but some changes last for a short time between generations.
1st Gen Glock 19
The first generation was a generation of constant change. The original design, while reliable, was still a work in progress. The only constant feature is the grip structure that wraps around the entire handle (no front or rear strap regulator). It has a softer feel compared to later models and is considered a "pebble texture" by collectors. Early guns had a thinner barrel, stainless steel carrying park that was introduced early (before the start of AD) and the thickness of the barrel wall before the start of AN. There are some differences in the magazine, case and small internal parts as well. All guns will have Austrian proof marks, but there is no uniform placement or number of marks. Early (pre-US) guns and those intended for European markets do not have a serial plate on the frame. Many early guns were also equipped with targets that have been called "Weak Spots" because of their weakness. Standard (edited) images are also good for a while, or the targeted version will cost a premium. All frames had clear spring relief under the front strap except for the few 19's that were made.
Tti Stippling For The Glock Gen1 3
The second generation is what many novice collectors or even inexperienced dealers will call "Gen 1". The confusion is caused by two factors: 1. The 1st types are extremely rare and many casual observers may not have seen them before. 2. Many models are introduced in the 2nd Gen line and some consider it "Gen 1" because it is the first number of that particular model. To clarify things, if you have a model 20 or older, you have a Gen 2 Glock even though it is the first version of that gun to be produced. The obvious difference between 1 and 2 of the 17-19 models is that a line has been added to the front and rear belt, and a change in the structure of the side panels (deeper than the first generation). Gen 2 also saw the introduction of 5 additional carbines and all non-.380/9mm guns were fitted with a second locking pin to prevent cracking of the frame on hard recoil. It is important to note that the number of pins is NOT generational, as many believe. 9mm frames only have 2 pins from Gen 1 bore to Gen 3 in production while all other calibers will have 3 pins. All full size frames are carried on top of the spring pad at the bottom of the front strap.
By the late 90s, Glock had become a dominant force in the American gun market, and other manufacturers were trying to copy the model. This led to pressure to "revamp" the Glock model in an effort to stay ahead of the pack. The Gen 3 changes actually started with the release of the subcompact models in 1995. It was believed that the handle would be too small for many to grip, so finger lines were shaped into the front strap in an attempt to increase purchase and avoid rotation due to recoil. This began a 3-year transition period until full changes reached all models in '98. Some large frame transition models are rare (especially of the portable variety) - see https:///transitional/ for more information. The Gen 3 will have front strap finger lines, thumb rest holes on the top of the handle, and an additional rail molded into the dust cover. As mentioned above, in 9mm calibers ONLY, you will still find 2-pin models during the initial launch of Gen 3. Frames were designed for all 3-pins in the early 2000s.
By the time the 4th generation came out, the Glock had become the ubiquitous "handgun", but it again found itself facing opponents with innovative designs. One of the fashions that caught the attention of consumers was the adjustable back straps to better fit different hand sizes. Glock first tried smaller grips on the Gen 3 SF models (these were only available in .45 and 10mm calibers). A modular backstrap system brings SF calibration to all frames with two calibration options and a beavertail adapter fitting. The internals were redesigned from the ground up and were actually built with the recoil profile of the .40S&W in mind, then scaled down to 9mm (where Gen 1-3 were designed differently). This should prove to make the .40 models more durable while maintaining the legendary reliability of the 9s. The grip texture was also changed to a more aggressive pattern on the side panels - this, again, was first tested in the short run of Gen 3 rifles called "RTF2". RTF2s are technically Gen 3, possibly Gen 3.5, and were only produced (except for period specials) from 2009 to 2011–see image at the bottom of this page.
The first Gen 5 models were actually preceded by the release of the new slimline subcompact 42 and 43 models. These models started as a new redesign with all new internal parts to fit the smaller size and the FBI was involved in these rolling changes. for heavy guns and their application to M models. The 19X, 42, 43, 43X, 44, 45, and 48 models do not technically have the Gen 5 name on the slide, but are still very similar to the other Gen 5 rifles. The 17 and 19 were officially released as Gen 5 in 2017 and other 9mm and .40 S&W offerings followed, but no .357 Sig, 10mm, or .45 ACP offerings have been released so far. Major changes of note include the "shooting" barrel, fully dual controls, flared magwell, and removal of the front toe strap slots.
Best 9mm Glocks [ultimate Models Guide]
There are (at least) two other patterns that can be encountered that actually cross a generation difference or are different enough to be difficult to identify from the above discussion: 1. 3rd Gen RTF2 & 2 .FBI M Series.
RTF2 is short for "rough texture framework, version two". The first version was only made as a prototype and was never released, although at least one is on display at the Cody Firearms Museum. The designers sat down on the second version and made a new mold to incorporate this grip quality into the general design of the third generation. All internal parts are the same, so the only difference will be the texture of the handle. As you can see in the exploded view, all the controls are placed in small pyramids - and let me tell you, they are sharp! This gun will stay in your hand, even when wet. Glock marketed these mainly to the police from 2009 to 2011, but the design is a clear step between the third and fourth generation pistols. The pyramid concept was carried forward but with larger pyramids as the RTF2s were used to wear and dress up. See https:///rtf2g/ for more images.
Finally, we should also talk about the FBI's M-series rifle. The 17M & 19M rifles actually preceded and, perhaps, inspired the Gen 5 rifles. They were built to a specification required by the FBI as a new secret service weapon and incorporated some of the design changes from the mini 42/43 models and other innovations. opinions. These were the first Glocks with dual controls and modifications to the pistol designed to improve accuracy. On the outside, however, the M-gun will look and feel almost like the Gen 5 - the main changes are on the inside, so many collectors would consider them part of the Gen 5 family. For the right person, however, that "M" added to the model designation will make a big difference in the price they want.
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