Using my new mp mold cast 235 grain boolits and using CFE blk shooting out of a 10 inch SBR suppressed it seems filty. I switched to Lil gun and seems much cleaner. Load are on the low end keeping velocities around 950. Both cycle great. Just seems when using the CFR blk rifle is very dirty. Anyone else notice this? I wonder if it needs a little more pressure to burn clean so maybe not the best sub powder.
Yup, Load are on the low end - 1680 is the same. Suppressor doesn't help either.
Whatever!
If the pressures are low, most powders do burn dirty. Each has an optimum pressure range.
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