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RETRO Arms CNC Gearbox V2 for HPA Units w/ QSC System
CNC gearbox V2 designed for airsoft rifles to have HPA units installed. This gearbox is manufactured from one solid block of aircraft aluminum (Dural) EN AW 7075 T651, which has higher strength (590MPa), than common construction steel 390MPa). Because of used material, Retro Arms gearboxes have...
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