Primary Arms Quick Detachable Flip To Side Magnifier Tall Mount, Black Fits All Primary Arms Magnifiers and Any Other Brand with a 30 mm Mounting Surface Designed to Line up with EOTech Sights That Come with a 7 mm Raised Base Puts Center of Magnifier 1.75" above the Top of Mounting Rail Fits Picatinny Rail High Strength 7075-T6 Aluminum Alloy