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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
reduced weight
Ideal for high-performance AEG builds using the Quick Spring Change system
Always use proper eye protection when operating or loading
Full metal rack with 14 teeth for long-lasting durability
RetroArms CNC Gearbox V2 (8mm) – QSC Best Seller reduced weightThe RetroArms CNC Gearbox V2 (8mm) QSC is a high precision, CNC machined aluminum gearbox shell built for AEG M4, M16, and similar Version 2 platforms. Engineered for maximum strength and performance, it features Quick Spring Change (QSC) functionality, allowing rapid tuning without full disassembly. Made in the Czech Republic, this gearbox delivers exceptional rigidity, smooth gear alignment, and long term reliability perfect for high torque, high
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