CNC Gearbox SR25 (8mm) - QSC [RETROARMS]

Remade and upgraded CNC gearbox from Retro ARMS with code name "7075 series".

Gearbox version SR25 is completely milled at CNC machining center. Compared to other aluminum gearboxes, our is made out of solid block of aluminum AW EN7075 T651.
Source block weighs 1550g and only 143g of material are left. It is not molding like Chinese ones!
Our gearbox is tested wit M160 spring without any signs of wear or breaking long term. Gearbox's surface is decoratively anodized.

Gearbox is equipped with quick spring change system - QSC. The CNC spring guide is included.

Set include CNC gearbox shell, CNC spring guide and set of screws.

We can´t recommend using this gearbox in Classic Army Guns due to problems with compatibility.

Gearbox installation requires technical knowledge and skills.