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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
hardened steel
Bearing Type: Dual Ball Bearings
eye-catching look where no two sets are exactly alike
Some minor fitting or adjustments may be required for perfect fit on certain aftermarket frames
RetroArms CNC Gearbox for SR25 – QSC Version Blowback Units hardened steelThe 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. Machined from a single block of aircraft grade aluminum (EN AW 7075 T6), this gearbox shell provides exceptional strength and dimensional accuracy, making it ideal for high stress builds including high FPS DMR setups. This version includes RetroArms renowned QSC
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