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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel Erosion ?
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<blockquote data-quote="Moman" data-source="post: 259985" data-attributes="member: 10494"><p>I lost quite a bit of accuracy on a Rem 700 in 300 Win Mag and found that where the 180 grain Accubonds used to be seated .020 are now .042 . This is with the same lot of bullets and were measured last summer with a Hornady LNL. I also have an old half used box of Sierra 180's from when the gun was new that the bullet seating depth has increased a total of .032. I am sure this is due to errosion and I will try a new seating depth but my question is how detrimental is this? Do I need a new barrel? How much overall erosion do you allow before rebarreling?</p></blockquote><p></p>
[QUOTE="Moman, post: 259985, member: 10494"] I lost quite a bit of accuracy on a Rem 700 in 300 Win Mag and found that where the 180 grain Accubonds used to be seated .020 are now .042 . This is with the same lot of bullets and were measured last summer with a Hornady LNL. I also have an old half used box of Sierra 180's from when the gun was new that the bullet seating depth has increased a total of .032. I am sure this is due to errosion and I will try a new seating depth but my question is how detrimental is this? Do I need a new barrel? How much overall erosion do you allow before rebarreling? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel Erosion ?
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