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KPOS G2/M4 SIG 2022

FAB Defense

  • Item description
  • Weapon compatibility list
  • Manufacturer information
  • The KPOS G2C / M4 SIG 2022 Conversion-kit from FAB Defense is a special version of the KPOS G2 with the GLR 16 buttstock AR15 / M4 / M16 style for SIG SAUER P2022 PRO.The KPOS G2C / M4 SIG 2022 Collapsible Conversion-kit turns a standard pistol into a rock solid weapon system for sport disciplines with buttstock or for personal defense or special operations. It is used by both sport shooters and military / law enforcement elite units around the world in order to maximize ability, versatility and performance while maintaining zero retention for accurate medium range use and minimal outer dimensions for covert operations and CQB.


    • Solid Aluminum frame, made of 6061 T6 billet hard anodized Aluminum
    • Built-in AR15 style charging/cocking mechanism for ambidextrous and comfortable use
    • Right folding collapsible M4 style milled aluminum aftermarket buffer tube with GLR 16 buttstock makes the KPOS comfortable and easy to conceal
    • The GLR 16 has a non slip uniquely designed buttpad for superior shoulder positioning and tactical performance
    • The GLR 16 contains a water prrof anti rattle storage compartment for two CR123 or AA batteries
    • The GLR 16 furter contains integrated quick detach sling swivel connectors on both sides.
    • Height adjustable stock for perfect use with various mounted sights
    • Removable flash hider for silencer/suppressor assembles with only one bolt
    • Quick and easy installation, requires no tools or handgun modification
    • May assemble in hands, free-standing, and does not require lying down on a table
    • Full length 1913 MIL-STD Picatinny upper rail, side rails and lower rail provide mounting options for various accessories
    • All system parts are one with the frame – no risk of loss
    • Highly ventilated frame for appropriate heat dissipation for use with compensator models
    • Provided with the FGGK-S Trigger Guard Foregrip, enhances weapon safety by securing “loaded chamber” carry

    The Kit includes the following items:

    • 1x KPOS Stock (PDW) for SIG Sauer P2022 PRO with GLR 16 buttstock
    • 1x FGGK-S folding foregrip with trigger cover
    • 1x RBS rear back-up sight (flip-up sight) - made from polymer
    • 1x FBS front back-up sight (flip-up sight) - made from polymer
    • 1x Bungee Sling
    • 1x KPOS G2 Carry Bag with internal pouches, padding and eyelets for a padlock

    The Kit does not include:

    • Padlock

    Suitable for:

    • SIG SAUER P2022 PRO


    • Material: 6061 T6 billet hard-anodised aluminium and attachments made of glass-fibre reinforced polymer composite material
    • Weight: 1336 g
    • Width: 59 mm
    • Hight: 146 mm
    • Length: 396 mm
    • Length (open / deployed): 610-685 mm

    **Please note: The article is shown with further accessories and/or weapon. They are not included in the scope of delivery.

  • Please note! The offered accessory product fits according to our knowledge on the following weapon models.

    Please also note the exceptions in the item description under “Not suitable for”.

    This information is without guarantee. For further questions you can contact our expert team from Mo.-Fr. 9:00 – 17:00 under the following phone number +49 (0)2206 9519 440.

    Sig Sauer

    • Sig Sauer SP2022
  • FAB Defense

    FAB Defense

    FAB-Defense® is a registered trademark of FAB Manufacturing & Import of Industrial Equipment Ltd. Fab Defense in Israel.
    FAB-Defense® is mostly common for their various accessories for all kinds of rifles and pistols. Since its inception, FAB-Defense® has been leading in development and manufacture of the highest quality, cutting-edge tactical equipment and weapon accessories for the State of Israel’s Military and Police.
    FAB-Defense® works worldwide together with Special Forces and SWAT teams to develop creative, ability enhancing and practical solutions for the Law Enforcement sector. Operational field trials are essential for the tactical accessory development and have a considerable influence on the production standards.

    Some of the best-known products are the KPOS-Scout, KPOS- G2, T-Pod G2 bipod, PTK and VTS grips as well as all the different rail systems, buttstocks and grips for rifles and shotguns.

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