In Depth Airsoft Barrel Lapping Part 1 of 2 (and quick Rhop Update)

Hello there, quick update to making the rhop jigs at the beginning. Then this part includes the basic overview of what lapping is and why it is desirable, the materials required and the technique to use.
Part 2 can also be found on my channel showing the process through completion going over some tips, tricks, warnings and explaining who is this really for or who sees the most benefit.
Checkout my three part series on Rhop!