Glock Gen 4 Replacement Stainless Steel Recoil Spring

There are replacement recoil springs for the Glock Gen 4 that are not dual springs like the OEM recoil springs. Glock states that the new dual spring design reduces recoil more than the single spring. If it does…how much?

Glock Gen 4 recoil spring

I received this single spring Glock 22 Gen 4 stainless steel recoil spring from I Love My Glock a few months ago and finally got a chance to try it out. It is designed to fit the Gen 4 Glocks with the larger slide recess. This recoil spring is the same weight as the factory dual spring at 17 lbs. It’s a drop in replacement and fits perfect. It features a stainless steel guide rod in lieu of the polymer OEM.

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I shot 150 rounds of 40 S&W through my Glock 22 with the ISMI single spring recoil spring. It functioned 100%. I could not tell the difference in recoil between the dual spring and the single spring although I did not have 2 Glock 22s to shoot side by side but it felt pretty much the same.

Glock recommends that you replace the recoil spring after 3500 rounds. This recoil spring is a great replacement and at $25 it’s a bargain for a stainless steel guide rod recoil spring. The OEM Glock guide rods are polymer.

Lightning Strike Titanium Safety Plunger Review

I installed a LS or Lightning Strike Titanium Safety Plunger in my Glock 22 Gen 4 about a week ago or so. I made it to the range yesterday to test some ammo and see how the new safety plunger affects the Glock trigger.

I was really happy after my first trigger pull..I mean squeeze. The trigger was much smoother and felt lighter too. It made a big difference to me. I love the trigger now. I’m glad I upgraded the safety plunger on my Glock 22 and plan on doing the same to all of my Glocks.

I read a few reports on the gun forums about the LS Titanium safety plunger and they were not positive either. I like to make my own judgments or opinions based on my own experience. The reports claimed premature wear or “peening” on the side surface of the plunger. I was curious to remove the safety plunger after my 150 round range session and see if there was any change in the condition of the plunger.

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Look at the distorted ring around the top of the base of the plunger.

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Here is the LS Titanium Safety Plunger after 150 rounds of regular 40 S&W ammo. As you can clearly see there is some wear or “peening” of the side of the plunger. Titanium is supposed to be as strong as steel but from what I see, it is not. This part is also coated with Titanium Nitride which is supposed to be super hard with high lubricity. The coating may be OK but the hammering on the Titanium side is really distorting the shape.

I cleaned it and replaced it in my Glock 22. I will monitor the Ti safety plunger until about 1,000 rounds. Let’s see what it looks like then. I will be contacting Lenny Magills at the Glockstore and Lightning Strike for some info on part longevity. Stay tuned.

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Here is what a new LS Titanium safety plunger looks like…. Glock TS Titanium Safety Plunger

Update 2/18/14

I happen to be cleaning my Glock 21 and took some pictures of the OEM stainless steel safety plunger. Let’s see what it looks like….

steel safety plunger

The picture is not that clear but you can tell the base of the safety plunger is somewhat beat up. Very similar to the titanium safety plunger above. I will follow the wear on this part as I shoot more rounds through the Glock 22 and Glock 21. We’ll see which one lasts longer.

Easiest Magazine Loader Available

High capacity magazines can really be difficult to load especially the last 2 or 3 rounds. Try loading a Glock 22 magazine with 15 rounds. Even with the Glock loader, it is challenging.

There is a much easier way to load any pistol magazine, double or single stack.

The Butler Creek LULA Universal Pistol Loader is about the best pistol magazine loader I have seen or read about. When I watched a few youtube videos, I was shocked at how easy it looks. I have to get one of these.

LULA Loader

LULA Loader-1

Watch this video and see how easy it is to load a pistol magazine with the Butler Creek LULA Universal Loader.

Glock Safety Plunger Upgrade

Upgrading the safety plunger on the Glock can make the trigger smoother and lighter by reducing friction. The LS Titanium safety plunger is shaped differently than the OEM safety plunger. The LS is more rounded and polished plus it has a Titanium Nitride coating which is very hard and has more lubricity than steel.

Replacing the safety plunger is very easy. I did my Glock 22 over the weekend and it took about 10 minutes.

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Here is the disassembled G22 slide. Not a whole lot of parts involved. It also gave me a chance to really clean the slide good.

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You can see the OEM steel plunger next to the LS Titanium plunger. The OEM plunger has some tool marks on it and is not polished. The LS plunger is polished and has no tooling marks whatsoever. It is a much higher quality part.

It is a simple procedure to replace the safety plunger. Here are the basic steps:

  1. Unload firearm and make safe
  2. Remover the slide
  3. Remove the recoil spring assembly and the barrel
  4. Use a small punch to push down on the plastic striker spacer sleeve to releave pressure on the slide cover plate
  5. Push the slide plate out and remove
  6. Remove striker/spring assembly and extractor depressor plunger assembly
  7. Push the safety plunger down to release the extractor
  8. Now remove the safety plunger
  9. Put the spring into the LS Titanium plunger and seat into position
  10. Replace the extractor
  11. Insert the striker/spring assembly and the extractor depressor plunger
  12. Start the slide cover plate into position
  13. With a punch, push the striker spacer down while sliding the slide cover plate in
  14. Now push the extractor depressor plunger assembly down with a punch until you can slide the cover plate into position and it snaps or clicks

Here is a great video to help with this easy upgrade.

Glock Gen 3/4 Simple Upgrades

The Glock straight from the factory is a very reliable and accurate pistol. However there are a few things that could be improved in my opinion. First the slide lock lever is too small for my fingers to grip easily. I take my Glock apart frequently to clean and the slide lock is a challenge for me…luckily there are extended slide lock levers for the Glock. The extended slide lock lever gives you a little more surface to grip and makes field stripping easier. They are longer than the OEM slide lock levers.

extended slide lock lever

You can buy them here….Extended Slide Lock Lever Black

I have exteneded slide lock levers on both of my Glocks. They are great!

The second upgrade that I like to do is the recoil spring. There are many to choose from. The good ones have a stainless steel or tungsten guide rod. This adds a good amount of weight to the front of the Glock plus adds reliability. The added weight up front reduces muzzle flip and felt recoil. Steel and Tungsten are just more durable than plastic and last longer.

Glock recoil springs


These are all stainless steel and come in different weights for different loads and/or compensated Glocks.

You can buy them here….Stainless Steel Competition Recoil Spring for Glocks 11lb 13lb 15lb 17lb 20lb 22lb

These 2 upgrades are super easy to do on a Glock. Watch this video to see exactly how its done.

Glock Gen 4 Stainless Steel Recoil Spring

You can get a single flat recoil spring assembly,in lieu of the double spring, for Glock Gen 4’s with a stainless steel guide rod. These stainless steel guide rod spring assemblys add weight (almost 2X) and reliability to the Glock.

Stainless steel is more reliable than plastic plus it’s weight helps reduce recoil. The single spring works as well as the double spring. I’ll try to detect the difference while shooting the Glock 22 shortly.

Here is the stainless steel guide rod spring assembly from I Love My Glock. It’s the Gen 3 design but modified for the Gen 4. Notice the end has a large adapter for the Gen 4 Glock’s slide.

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This is a high quality recoil spring assembly and comes in Tungsten too. You can buy it in various spring weights. I always carry a spare recoil spring in my SHTF bag along with another barrel. Spare parts are good assurance.