Press Ultramount 7 1/2" from Inline Fabrication with qucik change plate.
Ultramount JR has the same 3\16" thick steel construction as the standard Ultramount, however, JR is only 7 1/2" tall instead of 9 3/4". Footprint of the mount is 10 1/2" wide by 9" deep. Standard Ultramount plates cross over to Ultramount JR also.