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Hunting
Long Range Hunting & Shooting
throat erosion?
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<blockquote data-quote="littletoes" data-source="post: 9156" data-attributes="member: 579"><p>Dr. John, most accurate loads fire best when loaded a specific distance off of the lands. This can be measured in differant ways, but as they "erode" away, most precision shooters chase them by loading thier cartriges longer. Some can tell by accuracy becoming degraded. Or check with special tools. Stoney Point makes one. I don't know how good it is, I have never used one. A simple one can be made by using a fire-formed casing in the rifle that fired it. Seat the bullet long, but not too tight (Remember, no powder or primer!). Chamber it, then remove it and measure the length. If the chamber is unusealy long, you will be able to tell. Some rifle manufactures just plain have very long chambers. Its what I call "Factory Throat Erosion." There is more too it than what I have listed, but I think you will get the gist of it. Hope this helps!</p></blockquote><p></p>
[QUOTE="littletoes, post: 9156, member: 579"] Dr. John, most accurate loads fire best when loaded a specific distance off of the lands. This can be measured in differant ways, but as they "erode" away, most precision shooters chase them by loading thier cartriges longer. Some can tell by accuracy becoming degraded. Or check with special tools. Stoney Point makes one. I don't know how good it is, I have never used one. A simple one can be made by using a fire-formed casing in the rifle that fired it. Seat the bullet long, but not too tight (Remember, no powder or primer!). Chamber it, then remove it and measure the length. If the chamber is unusealy long, you will be able to tell. Some rifle manufactures just plain have very long chambers. Its what I call "Factory Throat Erosion." There is more too it than what I have listed, but I think you will get the gist of it. Hope this helps! [/QUOTE]
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