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Rifles, Reloading, Optics, Equipment
Gunsmithing
How to figure out freebore? How much is too Much??
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<blockquote data-quote="MagnumManiac" data-source="post: 2116489" data-attributes="member: 10755"><p>General rule of thumb is to throat for the bullet to have the shank in the neck and the heal of the bullet below the neck/shoulder juncture, .010"-.020" extra from that measurement is what most folks do. The heal is the boat tail, only it should be below the neck.</p><p>With my new custom 264WM, I am at 3.54" COL plus .020" for the 142gr ABLR. This will also suit the 156gr Berger...if I ever get my hands on some.</p><p>Most 'smiths will ask for a few dummy rounds to work off, I ask for 3, use new brass, just don't do what I did, I used fired/sized brass and I couldn't get them to fit the newly cut chamber. I had no other brass, so had to size down 7RM brass.</p><p>If this makes no sense, search for bullet seating to the heal on here, I can't post pics to help, sorry.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2116489, member: 10755"] General rule of thumb is to throat for the bullet to have the shank in the neck and the heal of the bullet below the neck/shoulder juncture, .010”-.020” extra from that measurement is what most folks do. The heal is the boat tail, only it should be below the neck. With my new custom 264WM, I am at 3.54” COL plus .020” for the 142gr ABLR. This will also suit the 156gr Berger...if I ever get my hands on some. Most ‘smiths will ask for a few dummy rounds to work off, I ask for 3, use new brass, just don’t do what I did, I used fired/sized brass and I couldn’t get them to fit the newly cut chamber. I had no other brass, so had to size down 7RM brass. If this makes no sense, search for bullet seating to the heal on here, I can’t post pics to help, sorry. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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How to figure out freebore? How much is too Much??
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