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M4 Tube Assembly Set

FAB Defense

  • M4 Tube Assembly Set
  • M4 Tube Assembly Set
  • Item description
  • Weapon compatibility list
  • Manufacturer information
  • The TAM-4 Tube Assembly is a machined MIL-SPEC Aluminum receiver extension tube kit that accepts all M4-style MIL-SPEC adjustable carbine buttstocks and most commercials.
    The TAM-4 Buffer Tube Set for AR15 / M16 / M4 contains everything you need to assemble the Buffer Tube and to subsequently install any M4 buttstock from FAB-Defense.Whether GLR16, GL-Shock, GL MAG or GL-Core.If the tube is mounted on the M4, the buttstock can simply be pushed on it from behind.Here it can be securely locked in 6 different lengths.Thus, the user is given any opportunity to set the optimal distance.

    The set includes:

    • Buffer tube
    • Carbine counterweight buffer
    • Carbine recoil spring
    • Locking ring
    • TSA receiver plate (sling adapter)


    • Six precision-machined notches on the underside provide plenty of options for setting length-of-pull.
    • Perfect for a custom build, installing a MIL-SPEC or commercial stock on a civilian carbine, or updating a fixed-stock rifle with an adjustable M4 stock.
    • Machined from a lightweight Aluminum extrusion, then hard coat anodized, and dry film lube-coated inside for smooth movement of the buffer and buffer spring.
    • Provided carbine recoil spring and buffer tube, carbine counterweight buffer, locking ring, and the TSA receiver plate (sling adapter)

    Suitable for:

    AR15 / M16 / M4


    • Material: Machined from a lightweight Aluminum extrusion, then hard coat anodized, and dry film lube-coated inside
    • Weight: 274 g
    • Hight: 37 mm
    • Length: 182 mm
    • Diameter: 29 mm

  • 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.

    AR15 / M16 / M4 Standard

  • 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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