Johnathan browning rifle .54 most like heavy charge 90-110 gr
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Starting load for a 50 cal. Johnathan Browning mountain rifle, shooting .490 patches balls.
- Thread starter Keeffer
- Start date
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I had one hard great luck with a .495 ball and a .015 patch with 70 gains of black powder. I increased it to 90 gains for a 100 yards. I missed that rifle I wish I never sold it. For lube I used 50/50 water and dish’s soap. Never had to run a patch between shots.
