These aren't 10m match grade rifles by any stretch of the imagination. Although, all of my vintage Sheridan's are extremely accurate at 10m. Much more so then even the engineers at Sheridan knew they were. And just like the OP I had no idea how accurate until optics were used.
As far as what type of scope; I like Leopold or swift in either fixed or variable. As for mount type: I am partial to a "scout mount" which is tailor made for pumpers.
With all that said I finally had the opportunity to shoot Match grade rifles for the first time a few years back. In my case, several of the Walther LG's. My favorite a LGV DST. I set the trigger where a puff of air can set it off. Perhaps a bid of a stretch although pretty darn close. You fella's shooting these Match rifles are cheating...lol. When compared to my pumpers, these guns pretty much shoot themselves. What a pleasure they are to shoot. Next up (once the weather allows and life doesn't get in the way) I'll try out the giss guns. Looking forward to that.
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