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Rifles, Reloading, Optics, Equipment
Gunsmithing
Recoil lug question
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<blockquote data-quote="tobnpr" data-source="post: 2058848" data-attributes="member: 68758"><p>We're all a bit prone to get into the weeds with a lot of this- nothing wrong with "overthinking" tho <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p>If you think about it, recoil forces are <em>straight </em>back. This is why we bed the back side of the lug, to make sure it's got full contact, and the surface it's against is perfectly parallel to it. This alleviates any concern of misalignment of the contact surface of the factory stock/chassis. Personally, I wouldn't see a problem with more clearance around the lug- though I too shoot for a snug fit with no "wobble". Just sayin' I don't see that it would have any effect on accuracy if it were a few thou larger. Accuracy would suffer if the lug were against a factory surface that was not perfectly perpendicular to the receiver ring/parallel to the lug itself- then, it <em>would </em>want to shift the action to one side or the other under recoil.</p><p></p><p>You've got a good grasp of the concepts involved- and it really doesn't get much more complicated than that.</p><p>There's often many ways to get "there"- and some mistakenly think their way, is the "best" or "only" way.</p><p></p><p>But fact is, indicators don't lie. If the dial tells you that you got the result you wanted, doesn't matter how you got there- only that you did. Square, parallel, concentric...basic concepts, but carrying them out with high precision requires some thought. Especially with barrel work, where we shoot for "zero", and the workholding is often tenuous with spiders- light cuts are required to avoid risking ANY shift in the work.</p><p></p><p>Only been doing this for a decade, so still much to learn. JMO, YMMV.</p></blockquote><p></p>
[QUOTE="tobnpr, post: 2058848, member: 68758"] We're all a bit prone to get into the weeds with a lot of this- nothing wrong with "overthinking" tho :) If you think about it, recoil forces are [I]straight [/I]back. This is why we bed the back side of the lug, to make sure it's got full contact, and the surface it's against is perfectly parallel to it. This alleviates any concern of misalignment of the contact surface of the factory stock/chassis. Personally, I wouldn't see a problem with more clearance around the lug- though I too shoot for a snug fit with no "wobble". Just sayin' I don't see that it would have any effect on accuracy if it were a few thou larger. Accuracy would suffer if the lug were against a factory surface that was not perfectly perpendicular to the receiver ring/parallel to the lug itself- then, it [I]would [/I]want to shift the action to one side or the other under recoil. You've got a good grasp of the concepts involved- and it really doesn't get much more complicated than that. There's often many ways to get "there"- and some mistakenly think their way, is the "best" or "only" way. But fact is, indicators don't lie. If the dial tells you that you got the result you wanted, doesn't matter how you got there- only that you did. Square, parallel, concentric...basic concepts, but carrying them out with high precision requires some thought. Especially with barrel work, where we shoot for "zero", and the workholding is often tenuous with spiders- light cuts are required to avoid risking ANY shift in the work. Only been doing this for a decade, so still much to learn. JMO, YMMV. [/QUOTE]
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