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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does anyone have a 7 wsm reamer?
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<blockquote data-quote="Edd" data-source="post: 1421571" data-attributes="member: 30592"><p>A 180 hybrid will not touch the lands at a length of 2.950" with zero freebore. At that length, the distance from the case base to front of the bullet bearing surface will be about 2.100". That is the length of the brass. You will need about .010" clearance in front of the brass and then you will have about .015" for the transition angle before you get to the lands if you have zero freebore. So it's going to take a length of 2.975" to contact with zero freebore. </p><p></p><p>With a SAAMI spec reamer it won't even be close to touching at 2.950".</p></blockquote><p></p>
[QUOTE="Edd, post: 1421571, member: 30592"] A 180 hybrid will not touch the lands at a length of 2.950" with zero freebore. At that length, the distance from the case base to front of the bullet bearing surface will be about 2.100". That is the length of the brass. You will need about .010" clearance in front of the brass and then you will have about .015" for the transition angle before you get to the lands if you have zero freebore. So it's going to take a length of 2.975" to contact with zero freebore. With a SAAMI spec reamer it won't even be close to touching at 2.950". [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does anyone have a 7 wsm reamer?
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