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M40's Over-Clocked Glock
Any and all modifications shown on my site were done for my own purposes, and have no guarantees either expressed or implied as to the operability or resulting safety of a pistol upon completion. The representations on my site are presented solely for informational purposes, and should not in any way be construed as my consent or implied consent to imitate the actions shown.
My own work was done carefully and completely, and was thoroughly tested before use. I am a qualified engineer and gunsmith, and I have been working with and shooting Glock (and other) pistols in competition for many years. If you are at all unsure of your competence as a gunsmith, you should stop right now. If you are not completely familiar with the inner workings of the Glock brand of pistols, you should stop right now. Take your pistol to someone who knows what they are doing.
ANY AND ALL TAMPERING WITH THE ORIGINAL DESIGN OF A FIREARM HAS INHERENT DANGERS!
And now... M40's Over-clocked Glock !
This is my G-22 based race gun. I use it for IPSC, plates, pins and other rapid-fire competitive events.
- All appropriate trigger mechanism contact points have been buffed to mirror finish
- Home-made "maritime" type cups for faster lock time (lets air and debris pass, less engagement surface).
- 45 degree grind to catch at rear of firing pin, which minimizes engagement surface (see picture below)
- Large channel milled down length of firing pin (lighter weight = quicker lock time)
- Ghost Rocket connector for optimal engagement angle, minimal contact, and custom fit for minimal over-travel
- Trigger housing drilled and tapped near extractor for 2-56 set screw to remove pre-travel (see picture below)
- Wolff 4 pound firing pin spring (1 pound less than factory - reduces trigger pull by about 1/2 pound)
- Wolff 6 pound Trigger bar spring (one pound heavier than factory, which drops a few more ounces of pull weight)
- **Trigger barís firing pin engagement tab has been re-angled to provide minimum travel, yet safe engagement!!!** See Note Below!
|Polished Parts||45 degree Firing Pin||Over-travel adjust|
For more information on the trigger modifications, please see THIS PAGE
All of these combined have given me a 2.5 pound trigger, but far more importantly, it now has about 3mm of travel, full front to full rear. I've had it as low as 2 pounds, but brought it back up to 2.5... there IS such a thing as too light (who'd have thought?). As of now, it breaks easy, crisp and quick, with rapid reset for fast double-taps. Very similar to a well done 1911 trigger. No issues thus far, but see the note below.
**NOTE: Over adjusting the pre-travel can result in a slam-fire condition (very dangerous) due to the trigger bar not lifting high enough to accommodate full engagement. I found it necessary to re-angle the rear tab on the trigger bar in order to safely engage the firing pin while still keeping a minimal trigger pre-travel.
- Sandpaper tape job on grip, magwell and magazines and slide
- Oversize mag release
- Removed slide lock, heated thumb break to cherry red, and flared outward for faster engagement (see pics).
(Iím left-handed, so the commercial extended slide releases didnít work well. Mine allows me to reach up and release with the trigger finger)
- Ground frame at backstrap and trigger guard to bring grip area up by about 1/4" (less muzzle climb, faster recovery)
- Flared magwell (faster mag changes)
- +5 mag extensions (140mm IPSC Limited class legal) to bring mags to 20 round capacity.
- Stainless steel captured guide rod for mainspring (stiffer feel, slight weight gain to front, faster slide)
- Reshaped rear sight for minimal surface area (faster acquisition, less chance of "losing" the front sight)
Here you can see the greatly increased surface area provided by the re-angled slide release
There are other mods, but memory fails me at the moment. The main thing I am still working on is the sights. I am in the planning stages of constructing a rapid acquisition sight for action shooting events. The biggest problem with current sight types is that upon bringing the pistol up quickly, you can effectively lose the front sight behind the rear. Although it takes less than a second to find it, those seconds add up when you have an IPSC stage that has 20 targets that must be engaged!
Here are my ideas on what would constitute a decent rapid acquisition sight system!
Feel free to email me with questions, comments, etc
M40 ( email@example.com )
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