If you're having trouble deciding, you must like them both. Sell whichever will bring you the most money.
However, even though you don't you don't need both now, the next time you buy a rifle you may kick yourself for selling one of your scopes.
He who joyfully marches in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice.