- The Microvault Biometric Gun Safe MBP500 is a fingerprint safe model with versatility to fit inside a backpack, purse or briefcase. With incredible security, portability and reliability, this fingerprint gun safe allows you to transport your valuables, handgun or otherwise securely. Featuring a compact design of 11” wide by 8.4” long and boasts only 2.3” high, this biometric gun safe will perfectly fit proper into a glove box.