This post got me curious about different BCs because it seems to be a hot topic these days . I looked Hard Air and they did some in depth testing. I only shoot .177 and .22 cals . One that really stood out in .22 cal was the 31gr Altaros slugs with a BC of .121 going 765 fps . I guess they hold a 1400 yard target record also . I mainly use 18gr and 25.39 grain pellets in .22 cal and the 25s seem to have a decent BC . In .177 I mostly use KOs with a .047 BC and they do not disappoint expanding around .25-.35" in squirrels at around 30 yards at 880 fps . I did find a chart another member posted in regards to JSB pellets that I thought was interesting.
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