Looks like a flintlock type. It has two hammers you pull back; two triggers; It has a ramrod that you would use to load the wadding and bullets from the front and tamp it down.
Dimensions
Acquired From:
Inherited
Dear Keith, Thank you for contacting Mearto with your appraisal inquiry. So that I may best assist you, can you please check to see if there are any markings along the top rib of the barrels, or any makers marks on the locks? If so, please send pictures of them. Thank you! Bo Stuck