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I think that I have a source,.....stand by please
Numrich gun parts has both triggers here:
Front - https://www.gunpartscorp.com/Products/1144880.htm
Rear - https://www.gunpartscorp.com/Products/1144900.htm
Here is the main parts page, in case you need anything else - https://www.gunpartscorp.com/Manufacturers/CVA-33194/Muzzleloaders-43420/HawkenRifle-38683.htm?page=1Is that what you were looking for?
Is that what you needed?
Are you still with me?
Are those the parts that you needed?