Folding Stock Mechanism on an ENDO Glock Stock Adapter

| January 15, 2016 | 14 Comments

I am experimenting with an ENDO Glock Stock adapter and a KAK Industry Shockwave Blade pistol brace. I had tried the ENDO with an NFA Glock before, but I didn’t care for it. The addition of a Trijicon RMR RM07 and suppressor sights may address my concerns about sight picture.

The folks over at Suarez International are exploring with the Not Stock Glock as an EDC option. I think most people think of AR15 or AK sized weapons for EDC, and the NSG seems to be a good option for them.

So the next phase of experimentation is around folding the stock. It’s definitely possible, but comes at a price.


I bought an inexpensive Leapers adapter for the purpose of this test. If you are really interested in this idea you may want to sprint for a different folder ; I don’t like how the Leapers adapter unlocks. However, it’s about a tenth the cost of what other folks are trying. If you are undecided about the NSG idea an adapter like mine might be more appropriate.


As mentioned in the video, the biggest drawback is that any folding mechanism will double (or more than double) the width of a fixed brace system. This is neither good nor bad, you’re just changing the dimensions of the firearm. Select your bag accordingly.


I will be doing some more exploration of this concept, but it seems like a viable option for those unwilling or legally able to carry a subcompact SBR.

About the Author:

Short Barrel Shepherd Short Barrel Shepherd is a regular guy and works to make Web sites and mobile apps easier for people to use. He spends his free time attending fight-focused firearm, knife, and combatives training, motorcycling, writing, and playing games. His daily carry is a Glock 19 pistol and an AR15 .300 Blackout pistol in a backpack.

14 Comments on "Folding Stock Mechanism on an ENDO Glock Stock Adapter"

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  1. CR Williams says:

    If I see that right you have to push the Leapers down to unlock. Am I right?

  2. Tommy says:

    WooooHooo! I was hoping you would do a bit of experimenting with this system. I love the idea of an AR-15 pistol; but they are big and heavy. Glocks are lighter and the NSG seems like it might be the ‘perfect option’ for civilian CQB.

    Thanks for the preliminary evaluation!

  3. Scottie Mince says:

    I have attached a sling to a Grip Force Adapter and the lanyard hole in a Glock and used the tension method on the sling to steady it. Works pretty well with practice and is a bit less ‘gray area’ than this. A weapons light on the rail works as a fore grip. I originally had it on an RDS gun, but it’s on a 19 with irons right now. Got pics it you want me to send some.

  4. Steve K says:

    Looks GOOD!

  5. Van den lin says:

    I have a Glock short barrel rifle that I did this with an EndoTac adapter and an ace folding mechanism.

    mine is in 45 and the biggest problem I have with it is that they really want a place to put my off hand to hold down the muzzle but there just is not one. In nine millimeter, what you would want to use anyway because of the lighter weight ammo, this may not be so much of a problem. I am Not sure as I do not have any short barrel rifle nine millimeter Glock.

    the other thing I did not like about the short barrel rifle 45 caliber Glock with the end otac adapter is that with a suppressor attached it was still awfully long even with the mechanism folded and hard to discreetly carry like in and out of the house to the trunk of a car or whatever. Of course I don’t know if it is really legal for anyone to conceal a suppressor anyways so that does not matter in the context of what this blog is about.

    if you really want to explore this concept to its fullest potential I recommend you get one of the ALG 6 second mounts that will allow you to have a fixed red dot optic and a light laser under the dust cover if you want, or at least just do a race stunt amount for fixed optic.

    I would categorize everyday carry rifle ish type of weapons into two categories. One more for escape and evasion of terrorists mobs/riots or something. the other category might be for actually running towards gunfire and engaging an active shooter.I would consider a pistol chambering more appropriate for the former and a rifle chambering more appropriate for the latter. Not only are pistol chambered weapons less powerful and decisive but they also have terrible accuracy at range, even fixed barrel weapons such as the mp5 have MOA of like six inches or something. I suspect it is more a limitation of handgun ammunition than the mechanical accuracy of the gun itself. Of course actual handguns that do not have fixed barrels are even worse. The key to surviving in a gunfight is to shoot them from as far away as possible and to stopping the aggression as soon as possible.

  6. Van den lin says:

    I would also point out that with the hand sticking out of the side of the folding mechanism that limit your ability to use the weapon ambidextrous sleep unless you have a longer length of pull on the stock. Or they not stock as it may be.

  7. Finn says:

    Does the use of a brace as compared to a stock render this a non-NFA item?

    • CR Williams says:

      Until somebody waves it under ATFs nose and they issue a ruling against it, yes. Hopefully nobody sends them a letter or puts up a YouTube video like unto what knocked the Sig brace down some previously.

  8. Martin Luther says:


    Will you be doing a speed and accuracy comparison between the glock rmr with and without the Endo? Also, it would be interesting to see a comparison in speed and accuracy of the glock rmr Endo vs Ar Pistol at self defense ranges.

  9. EC says:


    I am considering similar set up, just would like to confirm if you are using the Leapers TL-K7FAD01?


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