Can be mounted to the left or right side on any picatinny rail.

Hawk Hill Data Card Holder
$119.99
Can be mounted to the left or right side on any picatinny rail.
MDT MV3 Horizontal Picatinny Mount | 8-32 screw
*Requires 0.3 of clearance between the scope and top of picatinny rail.
You can find more information here: https://mdttac.com/us/mdt-mv3-horizontal-picatinny-mount