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RetroArms 8mm CNC Gearbox with Quick Spring Change (QSC), Version 3

RetroArms – CNC Engineering at Best

RetroArms is a Czech airsoft company which manufactures high-quality upgrade and spare parts. The company has become known from its CNC machined parts, especially its super durable gearboxes which are made from 7075 aluminum. RetroArms gives its gearboxes a lifelong guarantee against breaking which tells us a lot about the quality of the parts!

RetroArms gearboxes are manufactured of one CNC-machined EN AW 7075 T651 aluminum piece, which is why they last for ages even under high stress, unlike die casted gearboxes. The advantage of a gearbox machined from one piece is accuracy: you no longer have to suffer any shimming or compatibility problems caused by imprecise measurements! These gearboxes are of the newest batch, which have been improved to be better compatible with different manufacturers' parts in accordance to user feedback.

In general, durability and usability have been taken into consideration when designing the gearboxes:

• QSC – quick spring change and spring guide with bearings makes the opening and assembling of the gearbox easier
• The reinforcement (radiusing) – the front part’s corners have been rounded, so that the stress in the front is reduced
• The pass-through of the wires is improved
• Exact measurements and good pegs – anti-reversal hatch, trigger and small springs won’t jump out of place as easily

The package includes:

• Gearbox
• Spring guide with ball bearings
• Screws

Check out the different gearbox version compatibilities with the most common gun models from the Gearbox article in Tradetech!