Glock frame identification, or, "What generation is my Glock?"

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    1. #1
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      Glock frame identification, or, "What generation is my Glock?"

      My current attempt at an updated version of Butch's classic Gen1/2/3 image, for those folks who are curious about frame style changes in the full-size (primarily 9mm) Glock handguns over the years.


    2. #2
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      Here's a similar photo for the sub-compact Glocks:


    3. #3
      Junior Member Stoy's Avatar
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      Thanks I didn't think it was that easy!

    4. #4
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      Yes, it's not too difficult, especially if you have examples of each generation side-by-side so you can do a direct comparison of features.

    5. #5
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      Here's a photo illustration showing the progression of the G17 through the generations, including some variants:


    6. #6
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      @DJ Niner - Are these all yours?

    7. #7
      Senior Member denner's Avatar
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      Cool, I noticed the one pin from the earliest models to the two pin later models right off the bat. Great Job. Likewise, every one looks brand new including the Gen 1's.

    8. #8
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      Quote Originally Posted by bigjohn56 View Post
      @DJ Niner - Are these all yours?
      Yeah; what can I say, I'm a fan.

      Quote Originally Posted by denner View Post
      Cool, I noticed the one pin from the earliest models to the two pin later models right off the bat. Great Job. Likewise, every one looks brand new including the Gen 1's.
      Well, thanks for the nice words, but they are all used; 5 of the 7 were bought used, and 3 of them have even been carried at one time or another. On most of them, the right side was in significantly better condition than the left, so I shot the pic "right sides up." The left side of the slide on the Gen1 is positively ugly; looks like the previous owner tried to cold-blue it, over the partially worn parkerized-type Glock finish. On the left vs. right wear pattern, the only thing I can figure is that folks must leave them lying on the left side for quick access (by mostly right-handed shooters, I assume), and so that side gets the scratches, finish wear, and other scars. When I edited the photos to delete the visible serial numbers, I also digitally cleaned-up some of the obvious damage like shiny nicks/marks on the slides, but if you look closely, you can see wear on the barrel hoods and at the slide corners/edges on most of the pistols.

      As you noted, a lot of the differences are pretty apparent when the models are laid-out side-by-side. The flat-side extractors vs. the newer Loaded Chamber Indicator (LCI) extractors, the dust covers without and with the accessory rails, the changes in the frame gripping surfaces, and even how well the magazines fit the frame (newer mags are actually a bit longer, and "hang out" the bottom) are all easy to see. All pistols are original except for the sights (several have optional night sights installed), a replacement non-ported barrel on the 17L (the original slot-ported barrel is prone to cracking if fired a lot, so I added a non-ported factory replacement barrel that allows me to shoot it regularly), and a few grip cavity plugs that were added.

    9. #9
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      Very nice! Congrats.

    10. #10
      Senior Member paratrooper's Avatar
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      What does RTF2 mean?

    11. #11
      Senior Member desertman's Avatar
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      paratrooper:
      "What does RTF2 mean?"
      Rough Textured Frame. I'll assume the 2 is for Gen.2 even though the photo shows Gen. 3 or could it be the second generation of a rough textured frame? But it couldn't be a Gen. 2, the Gen. 2 doesn't have finger grooves. Is there an RTF1 or RTF3? If so what generation are those? I'm confused? Don't you just hate acronyms?

    12. #12
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      As said above, RTF stands for for Rough Textured Frame. Originally, in the Gen3 series, there was going to be (2 or 3?) different RTF options, but the only one that was ever released was named RTF2. Folks who have seen proposals/prototypes for the other RTFs have said the Gen4 gripping surface is very similar to another of the Gen3 RTF options, so once the Gen4 Glocks were released, that probably replaced the need for any similar Gen3 frame option.

    13. #13
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      There were actually two RTF Models. The first ones were soooo aggressive, it ruined clothing while being carried concealed. So, Glock made a modified version of the RTF and smoothed it out a tad so it wasn't so rough.

    14. #14
      Junior Member ZackAttack071309's Avatar
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      Thanks for the great info!

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