Retro Arms CNC Gearbox SR25 (8mm) – Quick Spring Change & Enhanced Durability

Upgrade your airsoft setup with the Retro Arms CNC Gearbox SR25 (8mm), engineered for precision and longevity. Designed for high-performance airsoft guns, this gearbox combines advanced materials with innovative design to deliver unmatched reliability under rigorous conditions.

Why Choose the Retro Arms SR25 Gearbox?
– Precision-Crafted from Aerospace Grade Aluminum: Machined from solid billet 7075 T6 aluminum, this gearbox offers exceptional strength and resistance to wear compared to standard plastic or weaker metal alternatives.
– Reinforced Stress Points: Strategically reinforced areas reduce fatigue and extend lifespan even with powerful M160 springs or high-velocity setups.
– Pre-Radiused Cylinder Windows: Smoothly distribute impact force for reduced wear on internals and quieter operation.
– Deeper Wire Channels: Enhanced routing protects wiring from damage during intense gameplay.
– Heavy-Duty Spring Guide: Equipped with metal ball bearings for effortless spring changes and consistent performance.

Stand Out Features
Unlike generic gearbox shells on the market, this Retro Arms design undergoes rigorous stress testing to ensure durability in demanding scenarios. The durable anodized finish provides corrosion resistance while maintaining a sleek aesthetic.

Compatibility & Versatility
Perfectly compatible with A&K, Classic Army, Tokyo Marui, and other SR25-compatible systems, this gearbox seamlessly integrates into your existing setup for a seamless upgrade.

For Airsoft Enthusiasts Who Demand More
Whether you’re dominating fields or refining your competitive edge, the Retro Arms CNC Gearbox SR25 delivers unmatched resilience and adaptability. Say goodbye to frequent repairs and hello to consistent performance—upgrade your game today.

Experience the difference of CNC precision in every shot.