Pay in 4 interest-free payments of $123.75 Learn more
Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Ensure compatibility with your AEG gearbox and ETU system before purchase
Easy to install and adjust for your specific build needs
3 and compatible clones
Manufactured in Italy by FPS Softair — trusted for quality and performance
The RetroArms CNC Gearbox for SR25 – QSC (Quick Spring Change) is a precision-engineered upgrade designed for serious airsoft techs and players who demand maximum performance and reliability
MAXX Model CNC Stainless Steel/Aluminum Spring Guide ZERO SHOCK Ensure compatibility with your AEGThe MAXX Model CNC Stainless Steel Aluminum Spring Guide is designed to enhance spring alignment, reduce tension stress, and provide smoother compression cycles in your Airsoft AEG gearbox setup. Constructed with a CNC machined stainless steel shaft and aluminum base, this spring guide offers excellent durability while keeping the weight optimized for high speed or high torque builds. Equipped with dual ball bearings, this upgrade allows the spring to