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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5mm - 25cal = .007"
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<blockquote data-quote="Longtooth32" data-source="post: 1528666" data-attributes="member: 89326"><p>Check out what your COAL (with the 131 BJ) will be before you spend money on a 257 fast twist. Mark V mag boxes (in that cartridge) are only about 3.4" COAL. You can lengthen the bolt stop and take out the mag insert to add more length to your mag box. You will not have to worry about freebore...<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Longtooth32, post: 1528666, member: 89326"] Check out what your COAL (with the 131 BJ) will be before you spend money on a 257 fast twist. Mark V mag boxes (in that cartridge) are only about 3.4" COAL. You can lengthen the bolt stop and take out the mag insert to add more length to your mag box. You will not have to worry about freebore...:) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5mm - 25cal = .007"
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