These washers are necessary for scopes where the housing is too large to be mounted on standard rings, such as Zeiss V4, Zeiss Duralyt, Aimpoint, Pulsar Thermion, Pulsar Digex and others.
The dimensions of the tray are as follows:
Height of tray: 4 mmThe bracket is milled out where the tray is to be placed, which means that the actual build height of the tray is 2.15 mm.Dimensions after mounting with rings on the saddle mount:
30 mm low ring + washer build height: 6.35 mm (measured from the rail to the bottom of the scope)30 mm high ring + washer build height: 9.35 mm (measured from the rail to the bottom of the scope)
