Caldwell Picatinny Rail Smart Phone Mountp Instantly adapt any smart phone to a picatinny rail for use as a camera or to display ballistics calculators. Padded adapter allows virtually any smart phone to be used, with or without a case, and in portrait or landscape mode. Quick detachable mount allows camera to instantly be mounted or removed leaving the rifle clean for carrying or transport. Adjustable bracket with thumbscrews allows phone angle to be quickly and easily adjusted and firmly locked into place. Aluminum construction.