Search:

I am not aware that the military converted Model 97 (M97) riot guns to trench guns. They did convert Model 12 riot guns to trench guns.

If 925551 is the serial number, that would be an early WWII shotgun, not 1946. Winchester stopped making Model 97 trench guns well before the end of WWII.

You would want to make sure that it...

It looks good. But I can't recall an early 97 trench gun that had a barrel with the front bead sight hole filled. That is a characteristic found on many of the very late WWII production 97 trench...