I'm thinking the 0.5" they are higher than you think. 0.5" plus half your scope tube which is 17mm so the mount is 1.15" from top of action to center of optic.Bring it back...which would I need to get for my tikka t3x superlite with a scope 4-20x50 30mm tube 13.7” long? 0.5 or 0.6?