Try e-gunparts.com
I dont find any reference to a WesternField Model 35 as a shotgun. The Model 35 rifles were made by Mossberg... If you can send us a digital picture of the gun, we can identify it for you and give you direction on how to mount a scope. repair@countrygunsmith.net
I don't find the Westernfield 530A but be careful: there is a Stevens 530 (1912 to 1918) that is a pump shotgun as well as the Stevens mod 530 (1935 to 1952) double barrel.
You can find parts for many westernfield shotguns at Numrich gun parts. WWW.e-gunparts.com
This Westernfield is the same gun as a mossberg model 353. this may help find parts easier.
The model sb-620A 20 GA. pump shotgun was a copy of the Winchester model 1400 and was manufactured by the Savage Arms Co. for Montgomery Wards stores from 1926-1945. In excellent condition (like new) this gun can sell for as much as $250, in good condition, as much as $175.
Try 'Gun Parts Corp', you can find them "on-line" at e-GunParts.com.
It a Savage model 30H
www.gunstockinc.com
how can i find a bolt assembly for my j.stevens 410.gauge shotgun model 38.b
Want ads, gun shows, e-gunparts.com, gun shops.
Your 12 g pump shotgun was made for Sears by the High Standard Company- it was their Flite King model shotgun.