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Rifles, Reloading, Optics, Equipment
Reloading
7mm 08 loading question
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<blockquote data-quote="ntg" data-source="post: 1080542" data-attributes="member: 32568"><p>Odd...is it new brass?</p><p></p><p>I mention the 139 because it's weight is 1/7000th different than a 140 and the bearing surface of it and the Nosler BT are close in length.</p><p></p><p>One thing you'll notice with bulkier powders is they'll sometime bridge, especially in smaller/thinner cases. Bridging is where the tiny "tubes" of powder are not totally settled in the bottom. They're bumping into each other causing a jam of sorts before they all settle to the bottom. There's a few ways to settle the powder in there. Some use a drop tube, essentially a long tube that you pour the powder into that then goes directly in to the case. Giving them a distance to drop helps them separate enough to keep them from getting into a jam before settling. Maybe you've read this in reloading manuals. Read all that you can.</p><p></p><p>I, at times, will take the case, plug it with my index finger and just tap it on the bench a few times, and then wipe my finger across the case mouth as I remove it as the kernels can stick to your finger. I usually only do this if I see the powder starting into the neck. Doing this will usually settle it enough that you can see the top of the powder drop about 1/10".</p></blockquote><p></p>
[QUOTE="ntg, post: 1080542, member: 32568"] Odd...is it new brass? I mention the 139 because it's weight is 1/7000th different than a 140 and the bearing surface of it and the Nosler BT are close in length. One thing you'll notice with bulkier powders is they'll sometime bridge, especially in smaller/thinner cases. Bridging is where the tiny "tubes" of powder are not totally settled in the bottom. They're bumping into each other causing a jam of sorts before they all settle to the bottom. There's a few ways to settle the powder in there. Some use a drop tube, essentially a long tube that you pour the powder into that then goes directly in to the case. Giving them a distance to drop helps them separate enough to keep them from getting into a jam before settling. Maybe you've read this in reloading manuals. Read all that you can. I, at times, will take the case, plug it with my index finger and just tap it on the bench a few times, and then wipe my finger across the case mouth as I remove it as the kernels can stick to your finger. I usually only do this if I see the powder starting into the neck. Doing this will usually settle it enough that you can see the top of the powder drop about 1/10". [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm 08 loading question
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