Breaking ground with interior design configurations.
The patent-pending interior on Browning ProSteel safes increases long gun capacity and makes access to long guns easier with an innovative door-mounted rack. The Duo-Plus system was the original of what is often referred to as a convertible interior. This means that the configuration of the interior can be changed as your needs change.
The "Plus" refers to the ability to store guns and other gear (pistols, magazines, choke tubes, etc.) on the back side of the door itself. This was the original door storage system and is a sigularly important Browning breakthrough in gun safe design.