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Retro Arms CNC Gearbox V2 DSG
Retro Arms CNC Gearbox V2 DSG

Retro Arms CNC Gearbox V2 DSG

$169.99

Upgrade your high-speed AEG with the Retro Arms CNC DSG/TSG V2 Gearbox Shell, featuring aircraft-grade 7075-T651 aluminum, reinforced piston support, 8mm bearing openings, and a Quick Spring Change system for durable, reliable dual- or triple-sector gear builds.


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Retro Arms CNC DSG/TSG V2 8mm QSC Gearbox Shell

Upgrade your high-speed AEG with a CNC-machined Version 2 gearbox shell engineered specifically for demanding DSG and TSG builds, reinforced piston support, and reliable high-rate-of-fire performance.

Product Overview

The Retro Arms CNC DSG/TSG V2 Gearbox Shell is precision-machined in the Czech Republic from a solid block of EN AW 7075-T651 aircraft-grade aluminum. Its specialized design shortens the cylinder area by 20mm, replacing unused cylinder space with extended piston guide rails to better support the shortened piston travel found in dual-sector and triple-sector gear setups.

Five guide bearings above the piston provide additional stabilization after the components complete their initial break-in. Reinforced construction around the cylinder head, optimized wire channels, piston-position windows, and alignment features make this shell an advanced foundation for custom high-speed airsoft builds.

Features & Benefits

  • Purpose-built for DSG and TSG configurations

  • CNC-machined 7075-T651 aluminum construction

  • Five upper piston guide bearings

  • Reinforced cylinder-head area

  • 8mm bushing or bearing openings

  • Quick Spring Change system

  • Protective anodized finish

  • Enlarged wiring channels and maintenance windows

Specifications

  • Gearbox Type: Version 2 DSG/TSG

  • Material: EN AW 7075-T651 aluminum

  • Bearing/Bushing Size: 8mm

  • Spring System: Quick Spring Change

  • Weight: Approximately 135g

  • Manufacturer: Retro Arms

  • Manufactured In: Czech Republic

Compatibility

Designed for Tokyo Marui-standard AR-15, M4, M16, MP5, and other AEGs using compatible V2 gearboxes. Optimized for electronic trigger units such as the GATE TITAN and ASTER, JeffTron Leviathan and Scylla, and Perun Hybrid. Standard trigger contacts and systems requiring a functioning cutoff lever are not supported.

What’s Included

  • CNC V2 DSG/TSG gearbox shell

  • DSG cylinder

  • QSC spring guide

  • Gearbox screw set

Installation

Professional installation is strongly recommended. Retro Arms recommends at least an M160-rated spring for proper DSG/TSG cycling. The spring guide must be securely retained, and gearbox screws should not exceed 1.2Nm of torque.

Common Product Questions

Find quick answers about our airsoft products, shipping and policies.

Can LA Airsoft install this part for me?

Yes. We can build and upgrade Hi-Capas, AAP platforms, and rifles. Choose your base gun and parts, then add the appropriate tech service.

The current custom-build service states that builds are normally completed in approximately 3 to 5 days, with the team reviewing the selected parts for compatibility.

Do I need tools or gunsmithing?

That depends on the upgrade. Simple external parts may be straightforward, but internal upgrades can require disassembly, reassembly, adjustment and testing.

If you are not comfortable working inside your airsoft gun, our team offers professional tech and custom-build services.

How quickly will my order ship?

Orders without preorder items are typically packed the same day when placed before 4:30 p.m. Central Time. Please note that occasional delays can occur during especially busy periods or when staffing is limited.

How should I maintain this product?

Regular maintenance helps preserve performance and reliability. Keep the product clean, follow the manufacturer’s lubrication instructions, and properly manage batteries, gas systems, and internal components. More advanced repairs or internal servicing should be handled by an experienced airsoft technician.

Will this part fit my platform?

Compatibility is product-specific. Check the brand, model, size, and platform named in the product description, such as Tokyo Marui Hi-Capa 4.3 or 5.1, AAP-01, Umarex/VFC Glock, or a particular AEG gearbox type.

Similar-looking parts are not always interchangeable, so contact our team with your exact model if you are unsure.

Will this part increase my FPS?

Not every upgrade increases FPS. Some parts are designed primarily for reliability, cycling speed, weight reduction, or gas efficiency. When a product has a tested FPS claim, it should be stated in the listing.