For sale is a used 9mm hammer with hammer spring to fit milspec hammer pin lowers (the majority of them out there). I can take detailed pics upon request but it is a standard Colt System 9mm hammer. The wear is on the surface that contacts the firing pin (as it should be).
From RRA $15 plus shipping without spring, Price is
$13 Shipped SOLD.
Payment by money order or paypal (+3%)