Best priming tool huh?
Thats not likely to cause any disagreements.
It such a subjective thing.
Not only does it have to work, but you have to like using it.
Here are my choices:
Best- The 21st Century hand priming tool. ( I like this very much for low volume priming. It is perfection.)
http://www.21stcenturyshooting.com/S.S_FQUY.php
Another one I like allot is the RCBS APS bench top priming tool..
I use this one quite a bit. I have lots of CCI primers in strips, plus a strip loader.
For me though, the choice of best of all worlds is the LEE auto prime 2.
Hard to find because LEE quit making them. Plus you also have to do a minor upgrade to make it the most reliable priming tool. ( need to add the RCBS plastic inserts into the shell holder.)
Once done it is by far the best priming set up I have ever used. Fast, simple, repeatable.
If you ever see one. I recommend buying it. If for some reason you dont like it. PM me. i will buy it from you.