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Hunting
Long Range Hunting & Shooting
Opening a Bolt Face from .308 to Magnum
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<blockquote data-quote="Chamberman" data-source="post: 1535168" data-attributes="member: 45142"><p>We do this in our shop quite often... Here are some things to consider.</p><p></p><p>#1 The 6.5 PRC is an "intermediate cartridge" it's O.A.L Factory 143 ELD- X is 2.950, so the magwell of the short action will need to be extended, which leads to a Bainey Box or a Wyatts extended box. So extended to .115", and if continuing to use the standard Remington bolt stop- it has to be ground for extension to .115"</p><p>#2 The feed lips need to be opened up .009" to accommodate the new case circumference.</p><p>#3 The feed ramp also needs to be opened up to accommodate the new case circumference.</p><p>#4 A complete "bolt work up", opening the bolt face, M-16 extractor, bolt fluting, can be done by either Gre- Tan (Greg Tannel)- Colorado, or Kempfeld Customs (Karl Kempfeld)- Northern Idaho.</p><p>You can also consider a Short Action Mag PTG bolt, Midway sells them- you may have to backorder and wait. You can get one with fluting and M-16 extractor, and it's all done from a single billet.</p><p>#5 I would also suggest Blueprinting the receiver while going down this road.</p><p>#6 Also consider a .250" recoil lug, instead of the factory Rem lug.</p><p></p><p> Rick is correct in saying that a "Custom Receiver" could be cheaper. Usually is.....</p><p></p><p>But with all of this work, a Remington receiver has now become a custom receiver.</p></blockquote><p></p>
[QUOTE="Chamberman, post: 1535168, member: 45142"] We do this in our shop quite often... Here are some things to consider. #1 The 6.5 PRC is an "intermediate cartridge" it's O.A.L Factory 143 ELD- X is 2.950, so the magwell of the short action will need to be extended, which leads to a Bainey Box or a Wyatts extended box. So extended to .115", and if continuing to use the standard Remington bolt stop- it has to be ground for extension to .115" #2 The feed lips need to be opened up .009" to accommodate the new case circumference. #3 The feed ramp also needs to be opened up to accommodate the new case circumference. #4 A complete "bolt work up", opening the bolt face, M-16 extractor, bolt fluting, can be done by either Gre- Tan (Greg Tannel)- Colorado, or Kempfeld Customs (Karl Kempfeld)- Northern Idaho. You can also consider a Short Action Mag PTG bolt, Midway sells them- you may have to backorder and wait. You can get one with fluting and M-16 extractor, and it's all done from a single billet. #5 I would also suggest Blueprinting the receiver while going down this road. #6 Also consider a .250" recoil lug, instead of the factory Rem lug. Rick is correct in saying that a "Custom Receiver" could be cheaper. Usually is..... But with all of this work, a Remington receiver has now become a custom receiver. [/QUOTE]
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Opening a Bolt Face from .308 to Magnum
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