FAB Defense GL-MAG AR15/M16 “Survival” Stock w/ Built-In Magazine Carrier

4.09 out of 5
(11 customer reviews)

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About the FAB Defense GL-MAG AR15/M16 "Survival" Stock w/ Built-In Magazine Carrier:

The GL-MAG has a built-in concealed AR15/M16/M4 Magazine Carrier that will accommodate all standard 5.56x45 (.223 Rem) AR15/M16/M4  and FAB Defense ULTIMAG magazines. Whether it’s your accuracy or numerous target engagements, you can depend on your last ten chances with the FAB Defense "Survival" AR15 Butt-stock w/Built-in 10r Magazine Carrier.. The GL-MAG AR15 Stock has a unique Anti-Rattle mechanism that holds the stock firmly in place on your AR15 tube eliminating any unnecessary rattle, furthermore the butt-stocks butt-pad in made out of a high-quality rubber to prevent it from slipping while shooting and enhancing the grip on the shooter's shoulder. The stock will fit both MIL-SPEC and Commercial tubes. 

Also, be sure to Checkout the FAB Defense CORE M Stock with an extra 10 round Mag:


Another great feature that the GL-MAG AR15 stock has is that the butt-pad is interchangeable, FAB Defense offers four different butt-pads:
The normal one that comes by default on the GL-MAG,
the ARP - Rubberized Assault Butt-Pad,
the SRP - Rubberized Sniper Butt-Pad
and the MBA - Mono-Pod Butt-Stock Add-On.

Butt-Pad Assembly Instructions



  • Sleek design with no protruding parts, will not get caught on gear or webbing
  • Keeps all of the characteristics of the M4 buttstock, while incorporating a State of the Art magazine carrier
  • Positioned close by for convenient mag change , providing you with the edge you need
  • Incorporates a quick release button for swift clip change
  • Does not interfere or change ’ buttstock to shoulder’ positioning 
  • Integrated ambidextrous quick detach rear sling swivel connectors
  • Fits on both Mil-Spec and commercial tubes
  • Made with fiberglass reinforced polymer composite

Butt-Stock Assembly


Color Reference:

It might be, that the colors of the product may change when selection or adding different variations. This might happen due to different lighting when the product was photographed with that specific variation.

Here we added a picture of each color that in our opinion is as close as possible to the original color.
*Colors might look different in different screens.



About FAB Defense:

FAB Defense LOGO

Since its foundation, FAB-Defense has been leading in development and manufacture of the highest quality tactical equipment and weapon accessories for Israel’s Military and Police. Because FAB-Defense works in collaboration with Special Forces and SWAT teams worldwide. 

Furthermore the State-of the-Art engineering, manufacturing and quality assurance methods are joined into leading technologies ensuring the products produced exceed even the most strict industry standards. In addition FAB Defense products are thoroughly tested in the harshest environments and under extreme conditions. Conditions that include freezing snow and scorching deserts by some of the best tactical units in the world. FAB unique production standards are first and foremost led by operational field experience, leading the way in tactical accessory operation.

Commercial Tube
354 g
43 mm
130 mm
180 mm

Additional information

Weight 354 g
Dimensions 180 × 43 × 130 mm

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Country of Manufacture




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11 reviews for FAB Defense GL-MAG AR15/M16 “Survival” Stock w/ Built-In Magazine Carrier

  1. 5 out of 5


    The FAB Defense GL-MAG AR15/M16 “Survival” Stock w/ Built-In Magazine Carrier is by far the best add on to your M4/AR-15 weapon system. With the already included 10 round .223/5.56×45 magazine your ready for the range. The stock accepts all full size AR style mags including P-Mags and HEX-Mags with no problems. Excellent for a home defense platform. Order one today at Zhal Tactical….

  2. 5 out of 5

    Mario H Castillo Sr

    Very proud to get the products from Israel ❤

  3. 5 out of 5

    Nick (verified owner)

    I bought one of these a few years ago, and another one last year. I love this product. They don’t fit on all tubes, and they are a tight fit, but well worth it.

  4. 5 out of 5


    I have these on all my AR’s, don’t leave home with out them!

  5. 3 out of 5

    Denny (verified owner)

    It will NOT fit commercial tubes. Had to order a mil buffer tube. Other thab that, I like it. Itz my second one.

  6. 5 out of 5

    William Malone (verified owner)

    I have this butt stock on both of my AR-15s. With practice the mag exchange is very fast. The stock is well made and fits snugly. All of my future AR-15s will have this butt stock.

  7. 1 out of 5

    Brandon Litchfield (verified owner)

    Both my original and the replacement I was mailed have a large crack on the left QD mount that was clearly visible in the packaging. This could be a nice item if I ever got one that wasn’t already broken.

  8. 5 out of 5

    Robert Harrold (verified owner)

    Fits the Diamondback DB15 5.56 perfectly and adds balance overall .

  9. 1 out of 5

    brucemb (verified owner)

    My GL-MAG arrived defective and tube hole was deformed in a oval shape… and won’t fit on any type of tube. see the picture (center unit) and you’ll see what I mean. It should have been caught in quality control.

    Uploaded image(s):

    Image #1 from brucemb
    • Zahal (store manager)

      We will replace the faulty product with no need to return the stock you have. Please reach out to us at contact@zahal.org with your order number.

  10. 5 out of 5


    Got it fast during these crazy times

    Uploaded image(s):

    Image #1 from Rafi
  11. 5 out of 5


    I have both this and the GK-Mag for an AK. I haven’t actually used either of them yet and I’ve had them for a year or two already but they seem very well made and they do both accept higher capacity mags as well. I just need to buy a $100 piece for my milled Norinco MAK 90 cross cut in order to put a buffer tube on it to be able to use the GK one. My AR-15 I built was to sell so I didn’t want to put it on that one until I sell it and build a new one lol so they have both just been sitting in their packaging. I wish they made one of these for a .308 AR-10 along with a Glock 9mm one for an AR-9 pistol. Well guess maybe they couldn’t do one for a pistol for legal reasons but the AR-10 one I would buy though.

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