I suggest that you try out one of your existing ‘scopes’ on your rifle, to see how the rifle handles with that scope and how well the combination works for snapshots, including working of the action. Note down the pros and cons, put your piece of paper down, then pick up the rifle a day or two later to see if your notes still apply.
Once you have taken those steps, make a list of what you NEED and what you would LIKE TO HAVE; in a new night-shooting scope for that rifle. Next step is to establish a budget, which may include a new set of ring-mounts to attach the scope to your rifle. Then start looking for a scope. A straight tube scope is typically the most practical for your type of shooting BUT the new setup has to work for you. You can buy a one piece ring-mount if you choose a short scope with an objective bell.
NB If you want to determine the brightest magnification setting on a scope, wait till the evening, point it at something dark, like green leaves on a tree and adjust the magnification until you have determined the brightest setting. On a good 3-9x scope, I would expect the setting to be in the 5.5x to 6x range. The brightest setting will have a slightly smaller exit pupil than the maximum achievable with that particular scope and the magnification might be higher than practical for your needs. This is one reason why 1.5-5 and 1.25-4x straight-tube scopes are so popular for stalking and driven hunting; especially when they come with 30mm tubes which allow a 24mm useable objective lens diameter.
Regardless of my implied preferences DO NOT buy a scope simply because I or any other AH member likes it. Determine what works best for you, within your budget and go from there.
As a carpenter, I have come across a number of well made hand/power tools that do not work for me but are perfect for another tradesperson or one of our apprentices and vice versa. Rifles and scopes are exactly the same, in that regard. Have a good week and a pleasant time drooling over nice optics

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