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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet Annealing
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<blockquote data-quote="barnesuser28" data-source="post: 698485" data-attributes="member: 43468"><p>I pulled the tips from a .338 280 grain LRX and a .338 210 grain TTSX and the INSIDE diameter of the meplat measured .95 for both. The HUGE meplat inside diameter is the main reason i think the tipped versions of the X bullet is greatly improved over the tsx and original x bullet with their tiny meplat holes.</p><p> </p><p>I think based on my experience with Barnes so far thy have fixed the hardness problem. </p><p> </p><p>One more thing, when i toured their factory, they said before the tips were installed they gave the bullets a light annealing to relieve the work hardening of the copper going through the multiple forming dies, I think it also makes the hardness more consistant bullet to bullet, but they keep them hard enough that fouling isnt too much of a problem. </p><p> </p><p>so its my thinking that if i anneal before the bearing surface the copper around the expansion cavity will be soft enough to expand at ridiculously low velocities. </p><p> </p><p>Now all i have to do is figure out how to remove the tip without damaging it and to put it back in straight. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="barnesuser28, post: 698485, member: 43468"] I pulled the tips from a .338 280 grain LRX and a .338 210 grain TTSX and the INSIDE diameter of the meplat measured .95 for both. The HUGE meplat inside diameter is the main reason i think the tipped versions of the X bullet is greatly improved over the tsx and original x bullet with their tiny meplat holes. I think based on my experience with Barnes so far thy have fixed the hardness problem. One more thing, when i toured their factory, they said before the tips were installed they gave the bullets a light annealing to relieve the work hardening of the copper going through the multiple forming dies, I think it also makes the hardness more consistant bullet to bullet, but they keep them hard enough that fouling isnt too much of a problem. so its my thinking that if i anneal before the bearing surface the copper around the expansion cavity will be soft enough to expand at ridiculously low velocities. Now all i have to do is figure out how to remove the tip without damaging it and to put it back in straight. :D [/QUOTE]
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Bullet Annealing
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