Bass Boat Technologies Ranger 619FS-622FS Pro Series Single Bow Mount 2020
If your bow looks like this then this mount will fit.
The Ranger 620FS – 622FS Pro Series will only need unit riser for the HDS-16 Gen2/3, Carbon/HDS-16 Live.
Use this link to purchase a riser. Also Recommended are the H.D. Gimbal Brackets