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! The cut-off lever is CNC machined from steel and is compatible with almost every V2 gearbox.
