A couple of months ago, I put up a post which included the following:
And one which has had a little work:
Look particularly at the backstrap: it’s now almost complete straight. My buddy took off most of the swell towards the bottom of the strap using a rasp and then sandpaper. He has little, meaty hands, and this change allows him to get much better purchase on the gun, with much better trigger position. He’s also planning on increasing the undercut on the trigger guard to accommodate his finger better.
Personally, the straight backstrap made it more difficult for me to get a good grip on the gun, and shooting the +P+ ammo out of it was downright painful for me, while the same ammo out of the unaltered G43 was just mildly annoying. The owner of the standard G43 didn’t have a problem with either ammo, and it was clear that my friend with the altered G43 was *much* more comfortable shooting it than the standard version.
So if you’ve ever thought about adjusting the grip of a Glock to better suit you, know that there are options out there which might be worth exploring.
After those tentative explorations in altering his G43, my friend decided to see what changes he could make to a couple of his other Glocks.
Now, before I go any further, some caveats: these changes probably ruin any warranty on the guns; they probably shorten the expected lifespan of the gun; and they may very well increase the chance that the gun would fail in normal use and injure the shooter. And they may give Glock purists reason to faint dead away, just looking at them. So DON’T DO THIS; if you do insist on doing this you do it at YOUR OWN RISK; and DON’T EVEN READ FURTHER if you are a Glock purist with a weak stomach.
Still with me? Then read on …
Or, putting it a different way, they presented an even greater opportunity for some experimental alteration, thanks to the polymer construction of the Glock frame. Take a look:
See how straight the backstraps are? The G21 has been taken all the way back to the box of the mag well. The G36 still has some of the backstrap, but it has been removed enough that the normal ‘void’ had to be filled in. The same is true of the G43, which he continued to alter from the initial experiment back in August. If you look at the back of the guns, you can see the grey filler material (PC7) he used:
Also note that on each of the guns he had to trim out a bit of the bottom of the mag well on the back, because there was part of the mag well which extended down and would bite into the palm of his hand. You can see this part of the mag well in the very first image above.
To get a sense of just how much of a change he has made to the G21, compare it to my G21 on the right. It still has the original backstrap configuration, but with an added slip-grip to better fit my hand and tame the recoil of .45 Super and .460 Rowland loads:
Big difference, eh?
And it felt like it. I shot each of his guns, at least a full mag each, to see how the altered guns would fit my much larger (and less muscular) hands. Both the G43 and the G36 felt a little cramped in my hand, but were comfortable enough for a single mag of ammo. The much more altered G21 has a fairly sharp ridge where the back of the mag well dug into my palm. My friend also feels this, and is planning on trying to add a slip-grip to deal with it. If that doesn’t work, he can sculpt some PC7 along that edge to soften it.
Now, this kind of alteration isn’t something I recommend. It won’t work for everyone, and as noted it has some real downsides. But for my friend, it has finally allowed him to really get a proper fitting Glock in these three different models. It’s made a big difference in his comfort and accuracy shooting, and he is at peace with the possible downsides.
So if you have an unusual hand size or shape, it might be something to consider. All you really need is a file/rasp and some sandpaper … and nerves of steel.
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