Page 5
Next using a couple of transfer punches as pins I mocked up the Trigger and Hammer on the outside of Receiver and with a little layout dye I marked where I needed to cut the sear engagement points on the Hammer.
Next it was over to the Mill to cut them out.
Here you can see the two notches I cut, one for half cock and one for full cocked. Later on they will be adjusted with the use of a file to get a nice clean trigger break.
The next step was to drill a hole for the trigger spring.
Here you can see the simple spring I used.
This is how it looks so far. I tested it out using a pen spring by holding it in place against the Hammer. So far everything looks and feels great , I have a nice clean trigger break but it may need more adjustments once I get a stronger spring in there.
Next I started to turn down a piece of 10/22 barrel to a finished size of .500"
Then I cut the barrel down to length on the bandsaw and then a put a quick crown back on the front.
I quick test fit and all that's left to do to the barrel is chamber it.
Next I used a 1/8" end mill and a file to cut a slot in the barrel block for the extractor.
Here is the Extractor, It will stick out the front of the Barrel Block and be manually pressed to remove the spent round. Later I can easily converted it to work off a spring but for now I kept it simple. The extractor was made from a piece of 1/8" drill rod and one end was bent at 90 Degrees and then filed to the present shape. A little more fitting will be made once the barrel is permanently installed.
Next I started on the Firing Pin holder. I started by facing a 5/16"-24 Bolt and then drilling a 3/32" hole through it.
Then I turned down the front portion to about .375" to fit the Receiver.
Next it was trimmed down to size and a 3/16" hole was drilled to a depth of .275" in the rear for the firing pin.
Next I used a 1/16" Drill bit to drill two holes in the face, these will be used for installing the piece.