You can buy the FTX in either .452" or .458". You need .458" for the 45-70. I am suspecting that the shank diameter of the bullet in the 45-70 factory load is .458", but you are measuring slightly ahead of the shank on the tapered part of the bullet.
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Last edited by elkhunter11; 08-07-2011 at 05:37 PM.
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