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Rifles, Reloading, Optics, Equipment
Gunsmithing
Difficulty Retracting Bolt
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<blockquote data-quote="Coyboy" data-source="post: 472618" data-attributes="member: 3733"><p>Does the bolt handle lift with little resistance and then not draw straight back on fired case?</p><p></p><p></p><p>look at the gap between the bolt handle and the bolt handle cut out in the reciever. If the handle is closer to the back end of the reciever cut out, then you may be lacking primary extraction.</p><p></p><p>Normally we want the bolt handle as far forward in the cut out as possible with maybe a .005-.010 gap the bigger the gap the less the bolt handle and reciever cam contact is made. The cam causes the leverage to "pop" the case lose from the chamber.</p><p></p><p>If that is the problem I would have a ptg handle tigged on and timed for maximum extraction.</p></blockquote><p></p>
[QUOTE="Coyboy, post: 472618, member: 3733"] Does the bolt handle lift with little resistance and then not draw straight back on fired case? look at the gap between the bolt handle and the bolt handle cut out in the reciever. If the handle is closer to the back end of the reciever cut out, then you may be lacking primary extraction. Normally we want the bolt handle as far forward in the cut out as possible with maybe a .005-.010 gap the bigger the gap the less the bolt handle and reciever cam contact is made. The cam causes the leverage to "pop" the case lose from the chamber. If that is the problem I would have a ptg handle tigged on and timed for maximum extraction. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Difficulty Retracting Bolt
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