Lead bullets I treid were that .001 to .002 to over the bore dia. Despite that barrel got badly fouled in my P08.
I tried analythic approach and use slower burn rate powder. My attempt was to accelerate bullet over longer timeframe, rather than see it reach peak velocity in the first 1 inch after it has departed from case mouth.
That didn't work either. (I cannot remmeber anymore whether fouling was same or reduced).
Doubs - thanks for a good write up.
-Artsi
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