Try e-gunparts.com
There is one currently on Ebay
Try gunbroker. Pull up Stevens 56.
It is located on the left side directly above the trigger guard
No. Trigger guards for these were made of plastic.
Cannot find an exact match- but if your trigger guard is black plastic- and especially if it has finger grooves in the tail of the guard- it was probably made by Mossberg. You can order replacement trigger guards from havlinsales.com There are 3 different trigger guards- check the photos to see if they match your rifle.
$100-$140.
I have a CNC Billet Aluminum tube fed trigger guard for a Winchester model 77. I have then polished or hard black anoidzed.
We have them. gunshop@nctv.com
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
on the 22 model 121 to remove the bolt, open the bolt, pull the trigger and slide the bolt to the rear.
gunpartscorp website.
Can't tell without full description of all markings and features