Yes BP is no great show in the .303 Brit, very useful still in some Bore Rifles & the dam 577/450, just a prick to clean up if you are only firing a couple of test shots, seems Ok if a big shoot em up session .
I was using 2208 in my .577 BPE Ex but in my 12bore I using Nitro loads as 160gr-170gr of Black has some boot & burns up a lot of powder/money fast .
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