It's in the red circle in the pic.
Seen them called:
cylinder stop
cylinder stop stud
frame stud
"Cylinder stop" is also sometimes used for the name of the spring loaded part that locks the cylinder when firing. Also heard that part called a cylinder bolt.
Seen them called:
cylinder stop
cylinder stop stud
frame stud
"Cylinder stop" is also sometimes used for the name of the spring loaded part that locks the cylinder when firing. Also heard that part called a cylinder bolt.