Have the ZEISS s3 4-25 and it’s a great scope, but not overly forgiving in the eye box. The 6-36 seems better in that area to me.
For the OP,
I would look for a used S&B 5-25. Often found here used for 2100-2200.
Hensold and S&B 4-16x are also great and in your budget if you are ok with 16x