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Rifles, Reloading, Optics, Equipment
Gunsmithing
338 Lapua reamer question
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<blockquote data-quote="James Jones" data-source="post: 156583" data-attributes="member: 8843"><p>I have a loaded round diagram that another member here posted for me that shows the neck diameter being .372" at the neck shouolder junction and .370" at the case mouth.</p><p></p><p>I would get the gun chambered with a match quality reamer thats cut to the 338 Lapua specs , this way you will be able to shoot factory ammo if you get in a bind. As for the reamer being made for the 300gr SMK bullet , the throat section can be lengthened to seat the longer bullet out further with a throating reamer and if your gonna have this done you might want to check into what is a better lead angle this will help with pressure and accuracy. I think Kirby Allen did some test with diggerant throat leads with his Allen mag rounds when he was developing them.</p></blockquote><p></p>
[QUOTE="James Jones, post: 156583, member: 8843"] I have a loaded round diagram that another member here posted for me that shows the neck diameter being .372" at the neck shouolder junction and .370" at the case mouth. I would get the gun chambered with a match quality reamer thats cut to the 338 Lapua specs , this way you will be able to shoot factory ammo if you get in a bind. As for the reamer being made for the 300gr SMK bullet , the throat section can be lengthened to seat the longer bullet out further with a throating reamer and if your gonna have this done you might want to check into what is a better lead angle this will help with pressure and accuracy. I think Kirby Allen did some test with diggerant throat leads with his Allen mag rounds when he was developing them. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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338 Lapua reamer question
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