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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Compatible with most V2 gearboxes including M4
Always use proper eye protection when operating or loading
Mancraft CNC M4 Lower Receiver Stock Plug
Ideal for high-performance AEG builds using the Quick Spring Change system
it offers improved air efficiency and shock absorption
RetroArms CNC Gearbox V2 (8mm) – QSC Best Seller Compatible with most V2 gearboxesThe 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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