If what you are asking is if that would be a good trade I would say it should be OK. Depending on the collector value of the Mosin (hex reciever, Tula arsenal, Date of manufacture...etc.) If your 91/30 is an izzy dated during ww2 then do it. Especially if the SKS is all matching and not bubba'ed.
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Dedicated to SwedeSteve, Arkansashunter and Ezearln. Rest in peace my friends.
Is it all matching? SKS original stocks can be bought. That is, if it has not been cut drilled or butchered. Even dust covers can be replaced. With your Mosin depending on what it is you have anywhere from 80 to 150 bucks. With the High Point you have about that again.
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Dedicated to SwedeSteve, Arkansashunter and Ezearln. Rest in peace my friends.