FAB Defense Ultra Lightweight M4 Style Polymer AK-47 Buffer-Tube (Stamped) w/ GK-MAG

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About the FAB Defense Ultra Lightweight M4 Style Polymer AK-47 Buffer-Tube (Stamped) w/ GK-MAG Stock:

The FAB Defense AK-47 Buffer Tube is an ultra lightweight M4 style buffer tube for stamped receiver AK-47 rifles. This AK-47 Tube w/ GL-Core Stock is one of the best solutions for you if you are used to and prefer an M4/M16 style stock, thanks to the material it's made from (reinforced fiberglass polymer) plus it's designed this AK-47 Tube weights only 145gr (~5.1 oz) and is highly durable making it perfect for use in any condition at any time. Also, this M4 buffer-tube for AK-47 can collapse to 8 different lengths and does not require any gunsmith.

The buffer-tube will allow you to put almost any M4/M16 style stocks on your AK-47 suck as the FAB Defense GK-MAG, GL-CORE, GL-SHOCK and GLR-16 stocks.

If you are interested in this buffer tube but still looking for a more advanced solution you can also check out our M4 Style Recoil Reduction AK-47 Buffer Tube.

Will fit: Stamped receiver AK-47/AKM/AK-74 Variants.


  • 8 positions tube for optimal fit of the stock length to your battle stanch
  • Bolt on design for tight and easy fit on stamped receiver AK
  • Constructed from durable & lightweight fiberglass reinforced polymer composite
  • No gunsmith required

About the GK-MAG:

The GK-MAG has a built-in concealed AK-47 Magazine Carrier that will accommodate all standard 7.62x39 AK-47 magazines  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" AK-47 Butt-stock w/Built-in 10r Magazine Carrier. The GK-MAG AK-47 Stock has a unique Anti-Rattle mechanism that holds the stock firmly in place on your AK-47 tube eliminating any unnecessary rattle, furthermore the buttstock's 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 such as the FAB Defense RBT-K47 and SBT-K47 Buffer Tubes.

Another great feature that the GK-MAG AK-47 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 GK-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
  • Receives all standard sized AK magazines, no more awkward magazine pouch dangling on your buttstock
  • Positioned close by for convenient mag change , providing you with the edge you need
  • Unique inversed positioning lever incorporates a quick release button allowing swift clip release
  • Does not interfere with or change 'buttstock to shoulder’ positioning 
  • Integrated ambidextrous quick detach  rear sling swivel connectors
  • Fits perfectly on both Mil-Spec and aftermarket commercial tubes
  • Made from Mil-Spec reinforced polymer composite

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 by 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.

AK 47/74
550 g
48 mm
160 mm
195 mm

Additional information

Weight 550 g
Dimensions 195 × 48 × 160 mm

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Country of Manufacture




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