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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Which 7mm to build???
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<blockquote data-quote="Michael Eichele" data-source="post: 599507" data-attributes="member: 1007"><p>The cartridges need to have the same head/base. You can get more than one bolt with different faces but it is a real pain to fit two bolts to one action. The lugs get cut and lapped on one, then the second one gets cut and lapped which changes the lugs in the action. It just goes round and round. It can be done but the goal is to keep it simple. Then you run into feeding problems. If your feed rails are cut for a 300RUM and then switch bolts and barrels for a 30-06 trying to use it as a repater is null and vice versa. The cartridges will pop up and out of the magazine or not feed through. Which leads you to needing a Badger or Seekins type bottom metal with different magzines. For me this is all just too much so I keep it to similar case heads. My one rifle (338Edge) shares another barrel in 300RUM. Same feed rails, same bolt face. I could use a barrel chambered in the WSMs or SARUMs with the long heavy bullets seated way out. The same will apply for my 308 and 6.5x284. Same bolt face and the rails are close enough I can feed either. My scope is within 2 clicks verticle and 11 clicks horizonatal between the two 338 and 300 barrels and their primary loads.</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 599507, member: 1007"] The cartridges need to have the same head/base. You can get more than one bolt with different faces but it is a real pain to fit two bolts to one action. The lugs get cut and lapped on one, then the second one gets cut and lapped which changes the lugs in the action. It just goes round and round. It can be done but the goal is to keep it simple. Then you run into feeding problems. If your feed rails are cut for a 300RUM and then switch bolts and barrels for a 30-06 trying to use it as a repater is null and vice versa. The cartridges will pop up and out of the magazine or not feed through. Which leads you to needing a Badger or Seekins type bottom metal with different magzines. For me this is all just too much so I keep it to similar case heads. My one rifle (338Edge) shares another barrel in 300RUM. Same feed rails, same bolt face. I could use a barrel chambered in the WSMs or SARUMs with the long heavy bullets seated way out. The same will apply for my 308 and 6.5x284. Same bolt face and the rails are close enough I can feed either. My scope is within 2 clicks verticle and 11 clicks horizonatal between the two 338 and 300 barrels and their primary loads. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Which 7mm to build???
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