You might try this link. Copy and paste it. http://www.gun-parts.com/index.html/
This is a stevens model 39A. The stevens 59A, B and C all had the takedown screw in front of the trigger guard.
http://www.forsterproducts.com/Pages/screws_trigger.htm
That gun should be a Mossberg 183K. For parts, try: Numrich gunpartscorp.com Jack First jackfirstgun.com Bob's Gun Shop gun-parts.com
The serial number on a Western Field Model SB300C shotgun is typically located on the underside of the receiver, near the trigger guard. It may also be found on the barrel, often stamped or engraved. If you're unable to find it there, consulting the owner's manual or contacting a firearms expert may provide additional guidance.
Try e-gunparts.com
Smith and Wesson Model No. 2
The Model 30 is a take-down gun, with the serial # on the lower tang behind the trigger guard, and alson on the barrel, once removed from the frame. I believe the gun is a Stevens 520 or 620 with Wards name on it.
Can be found on the left side of the weapon just above trigger housing.
The serial number on a Wards Western Field Model 80 is typically located on the receiver, often found on the left side or underneath the barrel. It may also be stamped on the bottom of the trigger guard. If you're having difficulty finding it, consulting the owner's manual or manufacturer’s website can provide specific guidance based on the model.
The trigger guard is available from Numrich Gun Parts. There are two different types of trigger guards for the Savage 6d. The plastic guard that has a inletted area for the trigger guard in the stock and the simple bent metal trigger guard that just screws into the stock wood. Plastic trigger guard is product # 103530U $24.10 Metal guard is product # 10543OAL $11.50
I have a CNC Billet Aluminum tube fed trigger guard for a Winchester model 77. I have then polished or hard black anoidzed.
To reassemble the trigger on a Ward's Western Field Model 10-SB94-T, first ensure that the firearm is completely unloaded and safe to handle. Begin by inserting the trigger mechanism back into the receiver, aligning it with the hammer and sear. Secure the trigger assembly with any necessary pins or screws, making sure everything moves smoothly. Finally, perform a function check to ensure the trigger operates correctly before using the firearm.