Early in the film Blue Ruin
(Macon Blair, 2013) a paintball gun is seen in a pawnbrokers' display case.
As Dwight (Macon Blair) passes by a pawnbrokers' display case, an early Sheridan KP-2 rifle can be clearly seen at the back.
It's unlikely to be a KP2-DF, as the direct feed neck wouldn't allow it to lay flat as it is.
The price tag is almost unreadable, even at full size, but might say $75.
Note right below the KP-2's stock is a Crosman 357, the .177 cal
pellet gun off which the 3357 Spotmarker