peep i guess
No
Lyman
Savage 325c rear peep?
Try e-gunsparts.com
Should be a Stevens rifle, but the peep sight would probably be aftermarket. If you can send a digital picture of the rifle and a closeup of the sight we can probably ID it for you. sales@countrygunsmith.net
22
They had a Small round knurled peep sight
Midway USA
Best left to a gunsmith
The "P" designates peep rear sight & ramp front sight, not sure of the "G" designation.
line up the target on the top of the front sight while sighting the front sight through the rear peep sight.