Well it's not technically burnishing since I'm not abrading (polishing) the interior surface. Effectively I was taught to make a big q tip, chuck it up in a drill on a dowel long enough to reach all the way down the barrel and rub the moly in. Again leaving a barely there film of moly behind.
There are really just a few basic things most tunes. Things like trigger tuning, different ways of piston buttoning,fgabbing spring guides, and more you can go nuts with. Just search for tuning on this site and you'll learn most of it. Then you just need practice
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