In determining whether any handgun should be included on the Handgun Roster, the Board shall consider the following characteristics of a handgun: Concealability; Ballistic accuracy; Weight; Quality of materials; Quality of manufacture; Reliability as to safety; Caliber; Detectability by the standard security equipment commonly used at airports or courthouses and approved by the Federal Aviation Administration for use at airports in the United States; and Utility for legitimate sporting activities, self-protection, or law enforcement. In determining whether any handgun should be placed on the Handgun Roster, the Board shall carefully consider each of the characteristics listed under §A of this regulation and may not place undue weight on any one characteristic.