Picatinny 3 Slot Rail Riser (1 Inch)

Picatinny 3 slot 1-inch rail riser. Used for a small red dot optic or such device. PRINT STANDING ON END OR IT WILL NOT BE STRONG IN THE DIRECTION OF MOST STRESS.

Update: Picatinny 3 slot 1-inch rail rise supports #6 - 32 1" hardware. The nut and bolt holes are sized to accomodate. The rail hole (bottom) was scaled bigger by 1.02 to allow for tolerences.

How do I get this thing on and off my rail? If you have a picatinny rail that has something similar to a floating barrel, this w