GB-01-02B Cylinder for MARUI M4 A1 / SR16 Series
Product Code:：GB-01-02B
．Material : Steel
．Compatibility : TM and other compatible ver.2 gearboxes
．Treated surface to reduce friction and ensure durability.
．Carefully designed decompression holes for maximum compression & optimal performance
．Compatibility : TM and other compatible ver.2 gearboxes
．Treated surface to reduce friction and ensure durability.
．Carefully designed decompression holes for maximum compression & optimal performance