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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Compressed loads & OAL
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<blockquote data-quote="Brent" data-source="post: 28463" data-attributes="member: 99"><p>Like Jerry said, the powder is most likely pushing the bullet back out a bit on some of them. </p><p></p><p>I used to load 250gr Barnes X bullets in my 338WM and with 4350 had the same problem, only much worse. </p><p></p><p>I never did use a long drop tube to cure it but this is what helped;</p><p></p><p>Tap the cases 5-10 times lightly on the bench to settle the powder some.</p><p></p><p>Seat bullets very slowly when powder starts to compress.</p><p></p><p>When bullet is just seated all the way, hold there at full stroke for two or three seconds as the powder drops some pressure on the base of the bullet. (very important)</p><p></p><p>Look for signs of bullet creeping back out of the case near the case mouth, marks will be on the bullet indicating where it had been seated up to. If it moved out, seat again and hold for a 2-3 count.</p><p></p><p>At full stroke, I usually let up after the 2-3 sec hold, rotate the case 90 degrees and seat for another 2-3 second hold.</p><p></p><p>These bullets I loaded would bulge the case body enough so they wouldn't chamber if the ram was stroked any faster than... REAL slow. They'd push the bullets out .030" - .050" or more if all steps were not taken to crush the powder very, very slowly and let it stabilize with the ram at full stroke.</p><p></p><p>A little .004" variance shouldn't be no biggie to control with one or more of these methods employed. </p><p></p><p>Neck tension, or a longer drop tube could solve it too, though I'd go with a longer tube before using higher tension. </p><p></p><p>My load was quite accurate and at great speed too, so I wasn't about to give it up easily. </p><p></p><p>A longer magazine box might be up your alley at this point too. <img src="http://images/icons/wink.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Brent, post: 28463, member: 99"] Like Jerry said, the powder is most likely pushing the bullet back out a bit on some of them. I used to load 250gr Barnes X bullets in my 338WM and with 4350 had the same problem, only much worse. I never did use a long drop tube to cure it but this is what helped; Tap the cases 5-10 times lightly on the bench to settle the powder some. Seat bullets very slowly when powder starts to compress. When bullet is just seated all the way, hold there at full stroke for two or three seconds as the powder drops some pressure on the base of the bullet. (very important) Look for signs of bullet creeping back out of the case near the case mouth, marks will be on the bullet indicating where it had been seated up to. If it moved out, seat again and hold for a 2-3 count. At full stroke, I usually let up after the 2-3 sec hold, rotate the case 90 degrees and seat for another 2-3 second hold. These bullets I loaded would bulge the case body enough so they wouldn't chamber if the ram was stroked any faster than... REAL slow. They'd push the bullets out .030" - .050" or more if all steps were not taken to crush the powder very, very slowly and let it stabilize with the ram at full stroke. A little .004" variance shouldn't be no biggie to control with one or more of these methods employed. Neck tension, or a longer drop tube could solve it too, though I'd go with a longer tube before using higher tension. My load was quite accurate and at great speed too, so I wasn't about to give it up easily. A longer magazine box might be up your alley at this point too. [img]images/icons/wink.gif[/img] [/QUOTE]
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