3 ways to install an AR15 Pivot Pin

Here are 3 different ways to install an AR15 Pivot Pin. There are other ways and tools out there but these are the three we have tools readily available on our bench for.

Link to Obsidian Arms AR15 Punch Set:
https://1836gunshop.com/obsidian-arms-complete-ar-15-armorers-punch-set.html