"Glock knuckle" going to be fixed?

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Elliottsdad

New member
Well, I've had the 26 for awhile now. Although I love the functionality, simplicity, and reliability of the Glock platform, I am now familiar with what they call "Glock knuckle" (underside of trigger guard rubbing the first knuckle on the middle finger raw). My middle finger was getting sore!

I watched a few hours of YouTube vids and read some forums and worked up the courage to go at the underside of my 26's trigger guard with some sandpaper. It feels WAY better now. While I was at it I lowered the bore axis a bit, too, though that wasn't the main idea.

Anyone else out there do this to their Glocks? Also, why wouldn't Glock have fixed this in the Gen 4? (They really should with the Gen 5.)
 
While I was at it I lowered the bore axis a bit, too, though that wasn't the main idea.
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I think that's a bit of a misnomer. You didn't really lower the bore axis per se, you made it possible for your hand to get slightly higher up on the grip. Similar effect I admit.

Anyone else out there do this to their Glocks? Also, why wouldn't Glock have fixed this in the Gen 4? (They really should with the Gen 5.)
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It doesn't affect everyone to be honest. The fewer changes they can do the less money it costs them. Last weekend I ran 550 rds through my Glock 19 and I didn't get Glock knuckle. I'm not saying your claim is wrong, it's just dependent on the person.
 
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I have a callous on that knuckle, but I had never associated it with one particular firearm as the triggerguard of most handguns bears against that point while shooting.
 
Ive started modifying all my Glock frames. I severely undercut the rear of the trigger guard (and stipple the frame). So far, my G26 and my G19 are the best work ive done.

I took the finger groves off my gen4 G17 and under cut it. Im not as pleased with that result. But the 26...oh man!! I love that little gun now
 
I did the same thing to my G34 Gen4. I sanded off the trigger guard to soften the corner that hits the knuckle.
 
Just keep pulling the trigger and your index finger will eventually conform to the grip. I have developed a permanent dent from running Glocks since 92.
 
I have gator skin on my hands. Never noticed that before. I've done "1k in a day" tests on whatever gun I choose to carry. Didn't notice it then either.
 
I think it is a fit issue that affects some people more than others. I don't have the problem at all, and I haven't modified my G26 in any way except replacing the front sight.
 
I think it is a fit issue that affects some people more than others.
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I agree. I don't like short grips and that sharp radius is not good for my hands. My Sphinx SDP has it too, but the grip is just long enough and has an overall good shape to off set it for the most part.
 
The thing about ergonomics is that everyone's hands are different. So too are our wrists, arms, shoulders, etc. Manufacturers can do a lot to fit the average person (some do a much better job than others) but there will always be a little difference. Sometimes, that difference can pose a problem for some of us.

The way I see it, if there is something annoying about your gun and you can easily change it without degrading the function of the gun, and the gun is a workhorse that isn't prized for its aesthetics or collector's value; then go right ahead. Just remember to do it slowly, a bit at a time, with thought and consideration as you go.
 
I built up the courage to undercut my G19 gen 4.

WoW! Big difference in the comfort of the grip.

If I would have known I was going to like it so much, I would have done it a long time ago. Easy mod...

(Never had knuckle problems)
 
Yep, I've done it to two. I used the much malaligned Dremel and a fine sanding drum, then worked it down to 600 grit wet or dry. You can't tell it was changed, the finish match is that close. And it made an enormous difference for my wife, who is the primary user. It makes shooting more than a cpl magazines, a heck of lot more fun! The whole process took less than 5 minutes.
YMMV Rod
 
I dont know... YMMV(obviously), but before I buy a firearm I check the ergonomics out first. If it doesn't work for me- I'm not buying that gun. Doesent make sense to me to buy an expensive one and have to take a tool to it to make it feel good in my hand.
 
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I dont know... YMMV(obviously), but before I buy a firearm I check the ergonomics out first. If it doesn't work for me- I'm not buying that gun. Doesent make sense to me to buy an expensive one and have to take a tool to it to make it feel good in my hand.
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We'll, Glock knuckle isnt really noticeable (IMO) until the gun is under recoil, so short of an extended live fire test, it's hard to know. For me, 9mm doesn't bother my knuckle and the larger calibers only do it on the Gen 3 frames. So apart from my 30s I'm good with Gen 4 with no mods
 
I undercut the trigger guard pf my 30S
Its the only Glock that I own that felt uncomfortable on my middle finger knuckle..
If I plan on shootin extended sessions at the range I wear a glove anyway..
 
I never had a Glock knuckle problem. With me it's my trigger finger getting sore. I have a G22 that I used for USPSA matches that gives me this problem. My friend's G19 is even worse. It feels like a bit of a pinch at the bottom of the trigger. My hands are large but not exceptionally so. I'm a lefty but shooting right handed will also have the same effect it I shoot enough. Glocks are the only guns that affect me this way.

The trigger well is wider top to bottom at the front and narrows a bit at the trigger although even at the narrower end, while snug, has plenty of clearance for my finger. With a normal grip the tip of my trigger finger has a bit of a downward slant with either hand. It doesn't hurt enough for me to have tried any corrective measures, just something I have experienced.
 
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