Blackhawk Omnivore(TM) Rail Attachment Device -The RAD easily attaches to the accessory rail of the handgun, and engages the locking mechanism in the OMNIVORE Non-LB holster. The RAD attaches to almost all existing accessory rails, and removes easily when needed. Easy To Install: Attaches with a few screwsVersatile: Mounts to most any accessory railRemovable: Detaches easily when neededColor: BlackModell: 4190RADB