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TRS-25 - it's lighter and smaller. There is no reason for the TRS-32 unless you like bigger and heavier and are a masochist.
They both use the same battery and the TRS-25 is a 3MOA dot as opposed to the TRS-32 with a 5 MOA dot. I see no reason for a 5 MOA dot, especially for a 10/22. In fact, I think you're better off buying a x1-4 Illuminated scope - you'll never go back to a fixed x1 scope after that. http://www.amazon.ca/Burris-200437-Illuminated-Scope-Black/dp/B005G00M5C