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Rifles, Reloading, Optics, Equipment
Gunsmithing
"Timing a BOLT" to Another Action????
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<blockquote data-quote="tobnpr" data-source="post: 1878625" data-attributes="member: 68758"><p>Never heard of the "high nickel" distinction to which you're referring, so don't know if/how it would be relevant...</p><p></p><p>So, both LA's, what's the issue you perceive with the bolt swap? Also not aware of any "kit" from PTG?</p><p></p><p>"Timing" a bolt refers to how much primary extraction exists from the camming surface on the bolt.</p><p>It's not always, or even usually, an issue- but some M700's have it worse than others.</p><p></p><p>Lack of primary extraction is fixed by re-positioning the bolt handle on the bolt body (torch, TIG and/or silver solder).</p><p></p><p>Swap the magnum bolt into the action, and check for fore/aft "play" with the bolt closed. With the bolt closed, and applying slight rearward pressure, rotate the bolt open to see where it engages on the receiver camming surface.</p><p></p><p>If there's too much play in the bolt, it'll be almost completely open before it contacts the camming surface on the receiver.</p></blockquote><p></p>
[QUOTE="tobnpr, post: 1878625, member: 68758"] Never heard of the "high nickel" distinction to which you're referring, so don't know if/how it would be relevant... So, both LA's, what's the issue you perceive with the bolt swap? Also not aware of any "kit" from PTG? "Timing" a bolt refers to how much primary extraction exists from the camming surface on the bolt. It's not always, or even usually, an issue- but some M700's have it worse than others. Lack of primary extraction is fixed by re-positioning the bolt handle on the bolt body (torch, TIG and/or silver solder). Swap the magnum bolt into the action, and check for fore/aft "play" with the bolt closed. With the bolt closed, and applying slight rearward pressure, rotate the bolt open to see where it engages on the receiver camming surface. If there's too much play in the bolt, it'll be almost completely open before it contacts the camming surface on the receiver. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
"Timing a BOLT" to Another Action????
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