NO on moly.
Best would be HBN (hexagonal boron nitride). I have NOT used this yet, but when I run out of Danzac/WS2, this will be what I am going to use.
Next best - Danzac/WS2. Does NOT build up in the bore, leave the infamous ring in the barrel, etc, etc. How good is it? We have over 1000 rounds through a 32" Rock Creek barrel chambered in 338 RUM, that sends 300 gr SMK's at a touch under 3000 fps. Barrel has been ran hard when needed - has NOT been babied at all. Bore scoped the barrel and it still looks like it is ready for another 1000 rounds.
My 223 AI easily goes 400 rounds without cleaning or loss of accuracy.
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