I am new here. HI. Ordered parts for my camp 9. Received from my father. Trigger not returning. Received my parts. Buffer, hammer strut bridge and trigger return spring. Hammer strut bridge is different No long tang on bottom. Went on line and found 2 different trigger assemblies. Both have holes to mount the return spring. Mine does not. Guessing that is what the long tang was for on the old hammer strut bridge. Does anyone have any information as to where the hole is located and diameter of the hole.? I have the general location the exact. Thank you Phil.