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Rifles, Reloading, Optics, Equipment
Reloading
Can someone please define....
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<blockquote data-quote="johnnyk" data-source="post: 298314" data-attributes="member: 307"><p>25792SP,</p><p> It can be somewhat confusing cause everyone seems to have a different name for doing the same thing. I'll try to help by explaining it as I see and use it.</p><p> First of all I get the OAL for a particular bullet in my rifle. Say it's 2.7265". I use the Hornady L-N-L OAL guage/w modified case and a bullet comparator that fits on my digital caliber.</p><p> Now with 2.7265" as my "starting point", I know that this is just "kissing" the lands and grooves (LaG). If I decide to back the bullet off the LaG .010", which is what I usually do, I initially just set my bullet seating die to seat the bullet longer than desired and start adjusting it down(in) from there until I get to 2.7165" which is .010 shorter than my original OAL.</p><p> If I want to seat the bullet .010" "into" the LaG (longer OAL) I set the die to stop at 2.7365". I have done this before but am not sure how exact it is. By that I mean at some point, whether it's .010, .020 or .030 or somewhere in between, the bullet is going to reach it maximum length as dictated by the rifling and start seating deeper in the case, or so it would seem to me.</p><p> Anyway, I usually seat 98% of mine .010" off the LaG. I hope this helps. JohnnyK.</p></blockquote><p></p>
[QUOTE="johnnyk, post: 298314, member: 307"] 25792SP, It can be somewhat confusing cause everyone seems to have a different name for doing the same thing. I'll try to help by explaining it as I see and use it. First of all I get the OAL for a particular bullet in my rifle. Say it's 2.7265". I use the Hornady L-N-L OAL guage/w modified case and a bullet comparator that fits on my digital caliber. Now with 2.7265" as my "starting point", I know that this is just "kissing" the lands and grooves (LaG). If I decide to back the bullet off the LaG .010", which is what I usually do, I initially just set my bullet seating die to seat the bullet longer than desired and start adjusting it down(in) from there until I get to 2.7165" which is .010 shorter than my original OAL. If I want to seat the bullet .010" "into" the LaG (longer OAL) I set the die to stop at 2.7365". I have done this before but am not sure how exact it is. By that I mean at some point, whether it's .010, .020 or .030 or somewhere in between, the bullet is going to reach it maximum length as dictated by the rifling and start seating deeper in the case, or so it would seem to me. Anyway, I usually seat 98% of mine .010" off the LaG. I hope this helps. JohnnyK. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Can someone please define....
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