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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Normal throat erosion?
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<blockquote data-quote="bailey1474" data-source="post: 83984" data-attributes="member: 3249"><p>Last night I decided to load a few more shells for my .243. I already had all the case prep done so all I had to do was throw some powder and plug the case w/a 105 gr Amax.</p><p></p><p>While I was letting my Lyman DPS warm up, I decided to use my Stoney Point OAL gauge to make sure my old seating depth was still OK. What I found concerns me a bit.</p><p></p><p>A few months before, when I worked up this load, 2.285" OAL w/the SP gauge was .020" into the lands. Last night I got consecutive consistant readings of 2.290" to the lands!!!!</p><p>I then adjusted my seating depth to 2.310", so it would still be .020" in.</p><p></p><p>I had noticed the rifle was not shooting as well and I was getting much higher ESs and SDs than I used to. This was part of the reason I checked it. Is this normal to see this much erosion after 500 or so rounds?</p><p></p><p>Thanks for the info,</p><p>B.J.</p></blockquote><p></p>
[QUOTE="bailey1474, post: 83984, member: 3249"] Last night I decided to load a few more shells for my .243. I already had all the case prep done so all I had to do was throw some powder and plug the case w/a 105 gr Amax. While I was letting my Lyman DPS warm up, I decided to use my Stoney Point OAL gauge to make sure my old seating depth was still OK. What I found concerns me a bit. A few months before, when I worked up this load, 2.285" OAL w/the SP gauge was .020" into the lands. Last night I got consecutive consistant readings of 2.290" to the lands!!!! I then adjusted my seating depth to 2.310", so it would still be .020" in. I had noticed the rifle was not shooting as well and I was getting much higher ESs and SDs than I used to. This was part of the reason I checked it. Is this normal to see this much erosion after 500 or so rounds? Thanks for the info, B.J. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Normal throat erosion?
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