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The Range
Handgun Discussion
Glock 17 Gen2/3 Help
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<blockquote data-quote="Mad Professor" data-source="post: 4014445" data-attributes="member: 5316"><p>There is nothing really special from what you shared. Early Gen 3 G17s were 2 pin. Later were 3 pin. The notch in the front of the mag well was a carryover from the Gen 2. “I believe“ it left not too long after the 3 pins appeared. By the time the Gen 3 RTF2s were released they all had 3 pins.</p><p>I have Gen 3s the different variations.</p><p></p><p>All of the above is G17 specific.</p><p> </p><p></p><p>The problems with the 2 pins didn’t not reveal itself in small frame guns until the 40 S&W was released and it was never an issue with the 9mm. I would bet the only reason later Gen 3s changed was to reduce the number of parts needed. The large frame (20/21) guns always had 3 pins. The first G22 Gen 2s had 2 pins and the problem surfaced pretty early and was changed to a 3 pin before the end of the first year. I know there was a push in the LE world to swap existing guns in the field for 3 pin versions. I’m sure there may be a few 2 pin G22s out there.</p><p></p><p>Gen 5s went back to a 2 pin in everything. Even my G20 and G21 have 2 pins.</p><p></p><p></p><p>Here is an example of a 3 pin with the notch that I could put my hands on fairly quickly. Disregard the extra holes. <img src="/images/smilies/wink.png" class="smilie" loading="lazy" alt=";)" title="Wink ;)" data-shortname=";)" />[ATTACH=full]367503[/ATTACH]</p></blockquote><p></p>
[QUOTE="Mad Professor, post: 4014445, member: 5316"] There is nothing really special from what you shared. Early Gen 3 G17s were 2 pin. Later were 3 pin. The notch in the front of the mag well was a carryover from the Gen 2. “I believe“ it left not too long after the 3 pins appeared. By the time the Gen 3 RTF2s were released they all had 3 pins. I have Gen 3s the different variations. All of the above is G17 specific. The problems with the 2 pins didn’t not reveal itself in small frame guns until the 40 S&W was released and it was never an issue with the 9mm. I would bet the only reason later Gen 3s changed was to reduce the number of parts needed. The large frame (20/21) guns always had 3 pins. The first G22 Gen 2s had 2 pins and the problem surfaced pretty early and was changed to a 3 pin before the end of the first year. I know there was a push in the LE world to swap existing guns in the field for 3 pin versions. I’m sure there may be a few 2 pin G22s out there. Gen 5s went back to a 2 pin in everything. Even my G20 and G21 have 2 pins. Here is an example of a 3 pin with the notch that I could put my hands on fairly quickly. Disregard the extra holes. ;)[ATTACH type="full" alt="IMG_3167.jpeg"]367503[/ATTACH] [/QUOTE]
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