Posted: 6/8/2011 6:41:44 PM EDT
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Okay, it is well known fact that the .40 cal Glocks have issues when lights are mounted under the barrel.
I am a big Glock fan, and a big .40 fan. All of my pistols are .40 and 3/4 are Glock. My primary is the G22 and I prefer the TLR1 mounted to it, only prob is reliability. I even tested it my self, without light, flawless, with light stove pipe every 3 or 4 rounds. This got me thinking, I either need to 1. stop using Glock as my go to gun (buy a new gun in .40, maybe Sig) 2. Stop using .40 and switch to 9mm (replacing 3 guns and a couple k rounds of ammo). But Im not ready to go that far and I have a last option: If the spent casing arent fully ejecting, it must have something to go with the slide not going back far enough, Im hoping that if I replace the recoil spring with a lighter spring that it will eliminate the malfunctions? Its a shot in the dark but its worth it to me. Any body ever done this, and does my logic make sense? |
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I have a Glock 22 with a Surefire X200 mounted to it and haven't had any problems. Back when I first bought the gun in 2001, I had a Streamlight M3 and had a little issue with stove piping but it went away. The only difference from stock is a tungsten guide rod with stock spring weight. Tag for more info... |
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I put a TLR2 on my G22. It ran OK with a strong 2-handed grip, but had feeding problems during intentional one-handed limp wristing. After some research of the issue, I have been able to eliminate the problem by replacing the magazine spring with a brand new extra power ISMI spring. Glock employed the same solution - their new G22 magazines have a stronger spring than my older examples. I suggest you try a new spring.
I have not suffered from stovepipe malfunctions, so you may also want to test different ammo to see if this helps. Also, clean out your extractor channel and maybe replace the extractor spring. At least Glock parts are cheap. Be careful with lighter recoil springs; too light and the striker will pull the slide out of battery causing fail-to-fire problems. Here is a picture of my grip-modified G22, just for grins: 
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| Replace your mag springs and your followers with #9 followers. And use a Surefire X300 instead and you will have no issues. The older followers and springs caused the issue. Once the number 8 follower came out, it fixed everything. The #9 follower is the latest one, so that is why I am recommending it. You can see the number when you look down on the follower in the corner. If you don't have a number on it, it is very old. |
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Quoted: But Im not ready to go that far and I have a last option: If the spent casing arent fully ejecting, it must have something to go with the slide not going back far enough, If you are experiencing FTEject, be sure that the light is not overtightened. This is why many have problems with the TLR. It should be a little loose. If it is too tight, the dust cover will pinch the slide slowing it down. |
| Have you tried a dual recoil spring set up? I like this one best, actually its a triple spring. |
I have only two handguns and they are both Glocks (G22 and G23). I see no reason to have anymore than these 2 (I'm a very practical/frugal kind of guy). I love my Glocks and shoot them as much as my time and money will allow. I bought the Glock GTL-22 for both of them when I purchased them a few years back. I have the ability to dim/brighten the light, use light alone, use the laser only, or the laser in combination with a dimmed or bright light. They work fantastically, although they are expensive. I got my first one for my G23 off of eBay for $129.00.  I don't think the seller realized they were selling the GTL-21/22 instead of the less expensive GTL-10/11. That was my score. I bought my second one after I purchased my G22. I got that one off of eBay for $189.00. You can get them from $175.00 used to $225.00 "Buy It Now".
Glock GTL |