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Rifles, Reloading, Optics, Equipment
Reloading
What results with HBN or Moly coated bullets?
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<blockquote data-quote="benchracer" data-source="post: 1033723" data-attributes="member: 22069"><p>It was actually something that montanamarine wrote that got me to thinking about this. In one of his posts about the 208 AMAX in 30-06 or .308, he mentioned that he felt using moly is what was allowing him to reach the powder charges and velocities he was seeing.</p><p> </p><p>That got my attention, because he was getting velocities from short barrels that I wasn't certain I could reach from a 26" barrel.</p><p> </p><p>Which led me to think about this...</p><p> </p><p>Since I have recently begun to incorporate OBT calculations in my load development process, I tend to look for bullet/powder combinations where the highest node comes in just below max. With certain bullets, the node I would really like to reach is just BARELY over max. In cases like that, I typically back down to the next highest node, which often costs me more than 100 fps. </p><p> </p><p>In a lot of cases, I wouldn't need a lot of headroom to reach the next node. If HBN or Moly would allow a very slight bump in velocity at safe pressures (on the order of 50 fps or so), it would put some very interesting possibilities in reach and, perhaps, give me a bit of cushion with loads that are near max.</p><p> </p><p>I am very seriously considering some experiments with HBN, in particular, but I would like to get input from folks who have experience with this stuff. That might give me an idea of whether or not my thinking is realistic.</p></blockquote><p></p>
[QUOTE="benchracer, post: 1033723, member: 22069"] It was actually something that montanamarine wrote that got me to thinking about this. In one of his posts about the 208 AMAX in 30-06 or .308, he mentioned that he felt using moly is what was allowing him to reach the powder charges and velocities he was seeing. That got my attention, because he was getting velocities from short barrels that I wasn't certain I could reach from a 26" barrel. Which led me to think about this... Since I have recently begun to incorporate OBT calculations in my load development process, I tend to look for bullet/powder combinations where the highest node comes in just below max. With certain bullets, the node I would really like to reach is just BARELY over max. In cases like that, I typically back down to the next highest node, which often costs me more than 100 fps. In a lot of cases, I wouldn't need a lot of headroom to reach the next node. If HBN or Moly would allow a very slight bump in velocity at safe pressures (on the order of 50 fps or so), it would put some very interesting possibilities in reach and, perhaps, give me a bit of cushion with loads that are near max. I am very seriously considering some experiments with HBN, in particular, but I would like to get input from folks who have experience with this stuff. That might give me an idea of whether or not my thinking is realistic. [/QUOTE]
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Reloading
What results with HBN or Moly coated bullets?
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