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Rifles, Reloading, Optics, Equipment
Gunsmithing
Barrel flute timing?
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<blockquote data-quote="foreign" data-source="post: 942643" data-attributes="member: 11896"><p><em>"By dialing in one end at a time I can compensate for the curved bore and get my chamber, perfectly in line with the "bore". (throat to 2 inches farther) To overcome the curve in the bore where the chamber is I have to single point the chamber area to bring it inline with the throat and 2" farther in area that the barrel is dialing into. Otherwise the reamer will just follow the curve in the bore and make the point of dialing in on the throat and 2" into the bore pointless.</em></p><p> <em></em></p><p><em>This gets the bullets straight into the throat as possible"</em></p><p> </p><p>HG, i was wondering if you find any measurable curve in the 2" of bore that you dial in? it make sense to me to dial in the area where you are working as that is where the bullet will seat. </p><p>what doesnt make sense to me is the need to single point cut. id imagine that the curve in 2" would be at unmeasurable so the bore should be running true to the lathe spindles center. that should mean that you could just ream the the chamber with reamer and it should turn out square.</p><p>The other question i had was when you single point cut how deep do you go. if you went the full chamber depth (minus a little for the reamer) then the shoulder of the reamer will be the first thing to bear as you insert it instead of the bushing on the end in the bore.couldnt that lead to some miss alignment?</p><p></p><p>thanks for sharing your knowledge and thoughts guys</p></blockquote><p></p>
[QUOTE="foreign, post: 942643, member: 11896"] [I]"By dialing in one end at a time I can compensate for the curved bore and get my chamber, perfectly in line with the "bore". (throat to 2 inches farther) To overcome the curve in the bore where the chamber is I have to single point the chamber area to bring it inline with the throat and 2" farther in area that the barrel is dialing into. Otherwise the reamer will just follow the curve in the bore and make the point of dialing in on the throat and 2" into the bore pointless. This gets the bullets straight into the throat as possible"[/I] HG, i was wondering if you find any measurable curve in the 2" of bore that you dial in? it make sense to me to dial in the area where you are working as that is where the bullet will seat. what doesnt make sense to me is the need to single point cut. id imagine that the curve in 2" would be at unmeasurable so the bore should be running true to the lathe spindles center. that should mean that you could just ream the the chamber with reamer and it should turn out square. The other question i had was when you single point cut how deep do you go. if you went the full chamber depth (minus a little for the reamer) then the shoulder of the reamer will be the first thing to bear as you insert it instead of the bushing on the end in the bore.couldnt that lead to some miss alignment? thanks for sharing your knowledge and thoughts guys [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Barrel flute timing?
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