Rabbit/Jack, If my Memory' serves me....If the Trigger Steel isn't that soft how could I as a 17-18yr old apprentice working under the watchfull 'Eye' of W O Brien,take trigger castings that had to be Hand-Filed,both the 'Blades' and secondly the'Spur' then fitted into the two'slots' in the trigger-plate,that had previously been filed up,by the 'Gaffer'All to Gauges, handed down from Dead gunmakers Relative