BlackHawk Omnivore Rail Attachment Device 2 Units Black. The RAD easily attaches to the accessory rail of the handgun and engages the locking mechanism in the Omnivore Non-Light Bearing holster. The RAD attachments to almost all existing accessory rails and removes easily when needed. Specifications for BlackHawk Omnivore Rail Attachment Devices: Manufacturer: BlackHawk Color: Desert Sand Brown Quantity: 2 Attachment Type: Screw Features of BlackHawk Omnivore Rail Attachment Device: Easy to install - At detaches with a few screws Versatile- Mounts to most any accessory rail Reemovable - Detaches easily when needed Package Contents: BlackHawk Omnivore Rail Attachment Devices BlackHawk 4190RADB: Omnivore Rail Attachment Device 2 Units Black