................... NEW US MANUFACTURED ....HAMMER .....COUNTS AS ONE (1) US 922 COMPLIANT PART....VERY WELL MADE .... IDENTIFIED BY THE LETTER "C" IN A CIRCLE ...............................................................................................................................................................THIS HAMMER WAS MANUFACTURED BY "THOMPSON INVESTMENT CASTING" OF ROCHESTER , NEW HAMPSHIRE......WHICH WAS LOCATED ON THE SAME PROPERTY OF THOMPSON CENTER ARMS.... OWNED AND OPERATED BY ONE OF THE OWNERS OF TC..... THEY MANUFACTURES ALL OF THE THOMPSON CENTER SMALL PARTS HAMMERS ,SEARS ,TRIGGERS ETC. FOR ALL OF THOMPSON CENTER ARMS PRODUCTS.............................................................................................................................................NOTE: SEVERAL HAMMERS WERE USED IN THE PHOTOGRAPH ....TO LET YOU SEE ALL SIDES OF THE ITEM....AD IS FOR ONE (1) HAMMER......