I have a 45/70 with a 1 in 20 twist barrel. The bore is .457. In others experience, what is the best bullet weight for this twist?
Thanks for your imput. Steve
Best weight Bullet
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Best weight Bullet
Just another homesick Texan that shouldn’t have left in the first place!
Tonkin Gulf Yacht Club - 8/69 to 8/71
NRA Life Member
Tonkin Gulf Yacht Club - 8/69 to 8/71
NRA Life Member
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- Posts: 110
- Joined: Wed Aug 13, 2003 1:21 pm
- Location: Massachusetts
There is another list going called 'Barrel Twist' you should look at. It discusses the Greenhill formula and other such points that can answer your question. You will see that bullet weight is not the best criteria for best performance. Enjoy!!
Shiloh Sharpie
SASS Life member
NRA member
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#1 Sporter; 45-90; Steel buttplate; Pewter forend cap; extra fancy wood; 30 inch heavy octagon; Marble Tang Sight; MVA 111 front
SASS Life member
NRA member
---------------------------------------------------------
#1 Sporter; 45-90; Steel buttplate; Pewter forend cap; extra fancy wood; 30 inch heavy octagon; Marble Tang Sight; MVA 111 front