GUARDER Reinforced V2 Gearbox Shell (6 mm)

GUARDER reinforced V2 gearbox shell (6 mm) is a more durable base for building or repairing AEGs with a Version 2 gearbox (M4, M16, MP5, G3). The metal alloy shell features polished piston guide rails for smooth movement and holes designed exclusively for 6mm bearings. It weighs 350 g and mounting screws are also included. Bearings must be purchased separately.

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GUARD199

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Accessories

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    GUARDER SP120 (M120) progressive AEG spring is an upgrade spring made from tempered Si-Cr wire for TM-standard AEG gearboxes and manual SVD rifles. The progressive winding makes the initial compression phase easier, while the spring is designed for stable long-term performance. The SP120 version delivers an approximate muzzle velocity of 113–122 m/s in a...

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    GUARD028

    GUARDER steel V2 cylinder head is a durable air seal component for Version 2 AEG gearboxes used, for example, in M4 / M16, MP5 or G3 airsoft guns. The head is made from high-quality stainless steel, while the dual seal helps reduce air leakage between the head and cylinder. It is a durable replacement for the original part when servicing or upgrading the...

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    GUARD201

    GUARDER switch trolley for M4 / AR15 is a replacement part for the V2 AEG gearbox designed for M4 / M16 / MK18 / HK416 / SR-25 airsoft rifles. The trolley is made from heat-resistant plastic and controls the electrical circuit when the trigger is pulled. It is suitable for replacing a worn or damaged original part and the plastic withstands temperatures...

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    GUARD147

    GUARDER complete aluminum receiver of the new generation for M4 / AR15 AEGs in black with NAVY SEALS markings meets the Tokyo Marui M4 Series standard and offers excellent upper and lower receiver fit with a solid construction. The package includes a polycarbonate hop-up unit, hop-up bucking and external metal receiver parts.

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    GUARD195

    GUARDER NBU (Bore Up) air seal system for M4A1 / SR16 / M733 is a complete upgrade set with increased air volume for AEGs based on the Tokyo Marui standard. It includes a chrome-plated cylinder, silent ventilated piston head with bearing, stainless steel cylinder head with dual seal and sealed nozzle. The set weighs 78.4 g and is designed primarily for...

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  • 8,84 € 14,38 € In Stock
    -39%

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    GUARD203

    GUARDER V2 wiring with trigger contacts is the internal gearbox wiring assembly with a prepared connection for the extension harness to the handguard of M4 / CAR15 and XM177 AEGs. It uses silver-plated copper wires and heat-resistant plastic capable of withstanding temperatures up to 200 °C. It is suitable as a replacement for worn contacts in compatible...

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    In Stock
  • 16,92 € In Stock

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    GUARD411

    16,92 €
    In Stock

GUARDER Reinforced V2 Gearbox Shell for 6mm Bearings

This expert product description was prepared by the ANAREUS.cz expert team. All rights to this unique content are tied to the anareus.cz domain.GUARDER reinforced V2 gearbox shell provides a solid base for building a new air seal and gear assembly or replacing a damaged original shell. The body is made of a durable metal alloy and the piston guide rails are polished to allow the piston to move as smoothly as possible inside the gearbox. The shell is designed for 6mm bearings, which are not included and must be selected separately. During assembly, we recommend checking the free movement of the piston, correct gear seating, gear shimming and the position of all other parts before finally closing the gearbox. Although this is a V2-type shell, manufacturing tolerances and related parts may vary between guns from different manufacturers, so some fitting may still be required.

Key Features

Reinforced V2 Gearbox Design

The durable metal alloy shell is designed as a replacement for a standard V2 gearbox or as a base for building a new AEG internal assembly.

For 6mm Bearings

The shell features holes designed for 6mm bearings. Bearings with a different outer diameter are not intended for this version.

Polished Piston Guide Rails

The piston guide rails are polished, helping to reduce unnecessary friction and allowing the piston to move smoothly inside the gearbox.

Screws Included

The package includes the screws required to secure the gearbox shell, so they do not need to be purchased separately.

For AEGs With V2 Gearboxes

The shell corresponds to the Version 2 gearbox design. For individual brands, we recommend checking the dimensions and fit of related parts before installation.

Technical Specifications

  • Type: reinforced gearbox shell
  • Gearbox version: V2
  • Material: metal alloy
  • Bearing diameter: 6 mm
  • Piston guides: polished
  • Weight: 350 g
  • Bearings included: no

Package Contents

  • 1× GUARDER reinforced V2 gearbox shell (6 mm)
  • 1× gearbox screw set

Frequently Asked Questions (FAQ)

What Bearings Are Required for This Gearbox?

The shell is designed for bearings with an outer diameter of 6 mm. Bearings are not included and must be purchased separately.

Are Gearbox Screws Included?

Yes. Screws for securing the gearbox shell are included.

What Are the Polished Piston Guide Rails For?

The polished guide rails help ensure smooth piston movement and reduce unnecessary friction. During assembly, it is still advisable to check that the specific piston moves freely inside the closed shell.

Does the Shell Fit Every Gun With a V2 Gearbox?

It is designed for guns using the V2 gearbox standard. However, manufacturing tolerances, receiver dimensions and related parts may vary between manufacturers, so installation without some fitting cannot be guaranteed for every gun.

ColorGrey
Body/receiver materialMetal
Gearbox versionV2
Bearings (mm)6 (mm)