Welcome to the new PGCA Forum! As well, since it
is new - please read the following:
This is a new forum - so you must REGISTER to this Forum before posting;
If you are not a PGCA Member, we do not allow posts selling, offering or brokering firearms and/or parts; and You MUST REGISTER your REAL FIRST and LAST NAME as your login name.
To register: Click here..................
If you are registered to the forum and keep getting logged
out: Please
Click Here...
What holds them in is the hole is close to the pin diameter. I believe it works similar to a rivit. Metal is some what soft so when you drive the pin into the hole it swells up and locks in place. You still need to sand down and polish. Hopefully others with more knowledge of will help out here.
Threaded Mode