![[SHS] 18:1 M4 Gear Set + 1 Steel Teeth Piston Set [For Version.2 Gearbox]](http://www.asiaairsoft.com/cdn/shop/products/1308_SHS_M4_18_1_Gear_Set_1_Teeth_Piston_Set_for_V2_Gearbox_1024x1024.jpg?v=1628230495)
![[SHS] 18:1 M4 Gear Set + 1 Steel Teeth Piston Set [For Version.2 Gearbox]](http://www.asiaairsoft.com/cdn/shop/products/1308_SHS_M4_18_1_Gear_Set_1_Teeth_Piston_Set_for_V2_Gearbox_480x480.jpg?v=1628230495)
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