450 bush master , small primers straight wall can chamber back to front . I get 2000fps with 230 gr 45 acp at 165 per 500 40grs 2205 16 in barrel bit dear on brass only issue but factory 250 gr do 2250 fps .
450 bush master , small primers straight wall can chamber back to front . I get 2000fps with 230 gr 45 acp at 165 per 500 40grs 2205 16 in barrel bit dear on brass only issue but factory 250 gr do 2250 fps .
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