RCBS Single Cavity Cast Bullet Mould #57923 designed specifically for your 577/450 Martini Henry cartridge, .468" nominal diameter, 480 grain bullet, designation 468-480-MH. Uses RCBS Custom Top Punch #RCBTP57922.
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5 stars (based on
pure lead bullet plus pan lubed and unsized. This bullet put them all in the black at 100 yards, the first time i used them. I shoot mk 4 martini henry.
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