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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Edge Chambering
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<blockquote data-quote="alcesgigas" data-source="post: 580574" data-attributes="member: 34925"><p><span style="font-family: 'Verdana'">I just put this in <strong>Gunsmithing</strong>, but maybe it's more appropriate here--that may explain why no responses to a similar question in <strong>Gunsmithing</strong> last week...</span></p><p><span style="font-family: 'Verdana'"></span></p><p><span style="font-family: 'Verdana'"></span></p><p><span style="font-family: 'Verdana'">I'm building an Edge on a M70 action. It's soon to be barreled and chambered so now's the time to address this conundrum: Some of the hand loads, admittedly from individuals as applied towards their specific rifles, show COALs up to 4.00. These shooters are no -doubt purposely loading to these over-COALs to set their (ULD, VLD) bullet ogives a tested length that shoots best in their rifle (s). Kevin Wyatt of Wyatt's states that 3.85 is max length for the M70 using his MBE-8 magazine box. Is it possible to begin the rifling at a shorter length than normal (unknown what SAAMI <em>chamber</em> specs are for the Edge) so as to work from this--3.80--COAL? I'm thinking that there's enough powder capacity to begin testing at the usual lesser-than--maximum and work up to similar velocities with the same bullets as say a "normal" COAL?</span></p></blockquote><p></p>
[QUOTE="alcesgigas, post: 580574, member: 34925"] [FONT=Verdana]I just put this in [B]Gunsmithing[/B], but maybe it's more appropriate here--that may explain why no responses to a similar question in [B]Gunsmithing[/B] last week...[/FONT] [FONT=Verdana] [/FONT] [FONT=Verdana]I'm building an Edge on a M70 action. It's soon to be barreled and chambered so now's the time to address this conundrum: Some of the hand loads, admittedly from individuals as applied towards their specific rifles, show COALs up to 4.00. These shooters are no -doubt purposely loading to these over-COALs to set their (ULD, VLD) bullet ogives a tested length that shoots best in their rifle (s). Kevin Wyatt of Wyatt's states that 3.85 is max length for the M70 using his MBE-8 magazine box. Is it possible to begin the rifling at a shorter length than normal (unknown what SAAMI [I]chamber[/I] specs are for the Edge) so as to work from this--3.80--COAL? I'm thinking that there's enough powder capacity to begin testing at the usual lesser-than--maximum and work up to similar velocities with the same bullets as say a "normal" COAL?[/FONT] [/QUOTE]
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