RETRO ARMS is a manufacturer based in the Czech Republic that makes custom parts for airsoft guns. They specialize in manufacturing high-quality, high-precision internal and external parts using CNC machining.

We offer products for advanced and custom-oriented riders that are lightweight and durable, using aircraft-grade duralumin.

Gearbox (Duralumin): This gearbox offers greater precision and durability than conventional die-cast gearboxes. It strengthens the heart of your electric gun. This popular product has a good reputation.
Pistons (14.5-tooth full steel/nylon fiber): Designed for excellent durability even under high-cycle use.

Disassembly and assembly requires knowledge, but it allows for highly refined, high-quality customization.