Research, research, research, research and detailed examination of all markings and features.
That is almost impossible.
Find a professional appraiser.
Yes, no, maybe. You fail to mention how old you are and where you are located, both of which determine which answer is correct.
We MAY be able to find answer for you, if you can find the MAKE of the rifle for us.
Need to know the make and model of the rifle before the question can be answered. Serial numbers are not necessarily unique to one firearm.
depends on what tpe and how old the rifle is
Located ontop of the rifle.
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Contact manufacturer through their website- have the serial humber of your rifle. We cannot answer with no information on your rifle.
18, just like any other rifle.
Whther or not you can depends on the rifle. There are multiple databases for different rifles- and for some rifles, no database. One method is to post a question here listing the make, model, serial number, and all markings on the rifle.
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