The perfect one piece aluminum mount for the MTAC 30. Provides 2" of forward scope positioning room which will allow you to obtain proper eye relief and maintain a proper shooting position with AR15 rifle. The mount is designed at the right height for a full field of view and proper eye relief on the AR platform. It comes with two sets of top ring caps. One is the standard plain top cap and the second set has pictanny rails on them as shown in the picture above. You can opt for the standard top cap if you want a streamlined look, or you can use the pictanny rail top caps if you ever want to mount additional accessories on the ring caps. imensions listed above. This is the mount for 30mm scopes. Select from the standard mount for $87.95 or the Quick Disconnect model for $104.95.