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30 sherman magnum

This should help
 

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Hey fellas, just looking for some info regarding freebore length. My first barrel has a .237 freebore according to the reamer print used. I'm about to get a second one cut and the smith said the freebore length on his reamer is .290 which sounds way long. What are you guys running? I don't see any info or a print on the Sherman website. Thanks.
 
Hey fellas, just looking for some info regarding freebore length. My first barrel has a .237 freebore according to the reamer print used. I'm about to get a second one cut and the smith said the freebore length on his reamer is .290 which sounds way long. What are you guys running? I don't see any info or a print on the Sherman website. Thanks.
I run a .250 freebore opn my 30 Sherman Magnum./It is a Left Hand Gain Twist 1 in 9.25 inches to 8.50 Inches
 
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