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Long Range Hunting & Shooting
Thoughts on a long lead in a barrel
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<blockquote data-quote="geocodyrgia" data-source="post: 1658336" data-attributes="member: 98212"><p>All, as I know there are a number of gunsmiths on the forum here, I would like to kindly ask for your input. I'm looking at project for reducing the wear in the throat of a barrel, but one of the limiting factors will be the requirement for not having rifling for the first 2-4". Essentially a long, non-tapered lead. I'm still investigating machining tolerances, obviously less is better, but if you have particular expectations you look for that input would be greatly appreciated as well.</p><p></p><p>So my question is: do you believe a bore diameter lead that is long enough to cover the area that becomes fire-cracked from hot/high pressure rounds would be detrimental to accuracy?</p><p></p><p>If accuracy in affected by a long lead and the lands/grooves really need to start in very close proximity to the ogive of the bullet as it's seated in the case, I will need to re-work my plans or at least make some changes to how it would be implemented. </p><p></p><p>Thank you all for any input!</p></blockquote><p></p>
[QUOTE="geocodyrgia, post: 1658336, member: 98212"] All, as I know there are a number of gunsmiths on the forum here, I would like to kindly ask for your input. I'm looking at project for reducing the wear in the throat of a barrel, but one of the limiting factors will be the requirement for not having rifling for the first 2-4". Essentially a long, non-tapered lead. I'm still investigating machining tolerances, obviously less is better, but if you have particular expectations you look for that input would be greatly appreciated as well. So my question is: do you believe a bore diameter lead that is long enough to cover the area that becomes fire-cracked from hot/high pressure rounds would be detrimental to accuracy? If accuracy in affected by a long lead and the lands/grooves really need to start in very close proximity to the ogive of the bullet as it's seated in the case, I will need to re-work my plans or at least make some changes to how it would be implemented. Thank you all for any input! [/QUOTE]
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Thoughts on a long lead in a barrel
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