I like moly, but just for ease of cleaning and quick return to zero. As Unclenic pointed out, make sure you get oil into a MK barrel ASAP after firing. I have had pitting with MK in humid places.
I use a peanut butter jar, midway's moly and do 200-250 bullets a time. Make sure you clean the barrel down to bare metal before you start shooting MK. Don't mix MK and non-moly'd bullets.
Ty
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