Found this today. Some of these tools. Look pretty handy. Love the 3D printer community

AR Ejector Tool
If you've ever tried to remove or install the ejector roll pin from your AR bolt, you know that, without a tool, the ejector and spring can go flying out, never to be seen again. Enter the 3DGearGuy AR ejector tool... This simple tool allows you to place tension on the ejector, making it easy to...
threedgearguy.com