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Rifles, Reloading, Optics, Equipment
Reloading
?'s on brass prep...
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<blockquote data-quote="BountyHunter" data-source="post: 222903" data-attributes="member: 12"><p>Inside neck reaming is a pain in the ---- and you do not want to go there.</p><p> </p><p>A quality neck turner like the K&M particularily with the donut cutting mandrell would be the way to go. Get the KM expanding mandrel with it. Joel Pendegraf on BR central for $40 sells the absolute best holder for the KM cutter and you will need it doing all that. </p><p> </p><p>Two cuts, first to take off the 90% and final cut to clean them up.</p><p> </p><p>Tension on the bullet will not determine size of the reamer, the FL size die will give you the neck tension. You determine the neck based on loaded round dimensions and how much clearance you want.</p><p> </p><p>If you have a .223 bullet , .016 necks that is a .255 loaded round. Allow min .002 neck clearance and that puts you in the .257 neck diameter range for the reamer. Suggest you talk with dave Kiff at Pacific tool and guage about the reamer. </p><p> </p><p>.021 for factory necks seems a little high, I am suprised that they are that thick. Normally necks are in the .014-.017 range. </p><p> </p><p>Neil jones at Neil Jones custom products can make your dies off the reamer diagram. He sells a FL size die with shoulder bump neck bushings to allow you to change the neck tension to what that bullet likes and bump the shoulders. Not cheap but the best.</p><p> </p><p>BH</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 222903, member: 12"] Inside neck reaming is a pain in the ---- and you do not want to go there. A quality neck turner like the K&M particularily with the donut cutting mandrell would be the way to go. Get the KM expanding mandrel with it. Joel Pendegraf on BR central for $40 sells the absolute best holder for the KM cutter and you will need it doing all that. Two cuts, first to take off the 90% and final cut to clean them up. Tension on the bullet will not determine size of the reamer, the FL size die will give you the neck tension. You determine the neck based on loaded round dimensions and how much clearance you want. If you have a .223 bullet , .016 necks that is a .255 loaded round. Allow min .002 neck clearance and that puts you in the .257 neck diameter range for the reamer. Suggest you talk with dave Kiff at Pacific tool and guage about the reamer. .021 for factory necks seems a little high, I am suprised that they are that thick. Normally necks are in the .014-.017 range. Neil jones at Neil Jones custom products can make your dies off the reamer diagram. He sells a FL size die with shoulder bump neck bushings to allow you to change the neck tension to what that bullet likes and bump the shoulders. Not cheap but the best. BH [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
?'s on brass prep...
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