winchester85
04-13-2012, 07:37 PM
i am not a caster, but i have shot many cast bullets. sometimes i would get leading, sometimes not. until recently i just figured i had to deal with it, or maybe decrease the speed.
after reading many posts on here, i see that bullet size is probably the most important factor in leading problems. however, it seems that potentially every bore is different.
i just measured some of the bullets i have, 45 colt and 38-40, the 45 colts measure .452 or just under, the 38-40's (2 different bullets and manufacturers) measure .400 to .401. if bullets should theoretically be sized a couple thousandths over bore size, why do mass producers size everything at nominal bore size?
if i dont know the actual bore size on my gun, where should i start? for a 44 mag SBH, should i go with .431, or .432? the last bullets i had were commercially made, and if i remember correctly they were sized at .430. i had significant leading in a stainless blackhawk.
after reading many posts on here, i see that bullet size is probably the most important factor in leading problems. however, it seems that potentially every bore is different.
i just measured some of the bullets i have, 45 colt and 38-40, the 45 colts measure .452 or just under, the 38-40's (2 different bullets and manufacturers) measure .400 to .401. if bullets should theoretically be sized a couple thousandths over bore size, why do mass producers size everything at nominal bore size?
if i dont know the actual bore size on my gun, where should i start? for a 44 mag SBH, should i go with .431, or .432? the last bullets i had were commercially made, and if i remember correctly they were sized at .430. i had significant leading in a stainless blackhawk.