what is important when replacing the valve pin

in this video I perform a test that shows what is important when replacing a valve pin, and I answer your question about the pin collar.
The tips shown in the video are helpful during servicing and cleaning the revolver.
I perform the test using two HDR 50 revolvers, available without permission and license, the HDR50 is designed for self defense and recreation.
Rubber balls, powder balls, with paint balls and many other types are used as ammunition, the chamber holds one 12g CO2 capsule.
In this test I uses two kinds of pins, one is steel and the other is aluminum, both pins are with flanged.

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#hdr50 #masakrachannel #selfdefense #nolicense #recreation