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Rifles, Reloading, Optics, Equipment
Reloading
Pressure "spikes" on Big Magnum Cartridges....
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<blockquote data-quote="J E Custom" data-source="post: 123592" data-attributes="member: 2736"><p><strong>Re: Pressure \"spikes\" on Big Magnum Cartridges....</strong></p><p></p><p>Kraky</p><p></p><p>First of all you did the wright thing by stoping.</p><p></p><p>If all of those "old" loads were loaded at the same</p><p>time and with the same batch of powder/bullets/primers</p><p>I think the problem was heat.</p><p></p><p>Older powders become heat sensitive (more volatile).</p><p>But 6 months is not old.</p><p></p><p>While competing in a 1000 yrd match I had the same</p><p>thing happen to me.</p><p></p><p>Started shooting and everthing was going very good</p><p>but soon I started chaseing the bullet strike and ended</p><p>up taking over 2&amp;1/2 moa off before the problem showed</p><p>its ugly head by blowing a primer.</p><p></p><p>being a little slow on the uptake I proceeded to blow two more primers then I stoped .</p><p></p><p>Laying there in the hot sun trying to figure out what was </p><p>wrong I had an epiphany(brain fart)my ammo was in the sun</p><p>and felt hot to the touch.</p><p></p><p>So I laid there and used up about half of my time waiting</p><p>for the ammo to cool down so I could finish the match.</p><p></p><p>Sure enough after cooling it shot fine.</p><p></p><p>Note: These loads were MAX and the heat only made them </p><p>More so.</p><p></p><p>Your loads were progressively getting hotter thats why </p><p>I think this was the problem.</p><p></p><p>Sounds like you are very particular in your reloading so</p><p>heat would be one of the variables.</p><p></p><p>Good shooting</p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 123592, member: 2736"] [b]Re: Pressure \"spikes\" on Big Magnum Cartridges....[/b] Kraky First of all you did the wright thing by stoping. If all of those "old" loads were loaded at the same time and with the same batch of powder/bullets/primers I think the problem was heat. Older powders become heat sensitive (more volatile). But 6 months is not old. While competing in a 1000 yrd match I had the same thing happen to me. Started shooting and everthing was going very good but soon I started chaseing the bullet strike and ended up taking over 2&1/2 moa off before the problem showed its ugly head by blowing a primer. being a little slow on the uptake I proceeded to blow two more primers then I stoped . Laying there in the hot sun trying to figure out what was wrong I had an epiphany(brain fart)my ammo was in the sun and felt hot to the touch. So I laid there and used up about half of my time waiting for the ammo to cool down so I could finish the match. Sure enough after cooling it shot fine. Note: These loads were MAX and the heat only made them More so. Your loads were progressively getting hotter thats why I think this was the problem. Sounds like you are very particular in your reloading so heat would be one of the variables. Good shooting J E CUSTOM [/QUOTE]
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Pressure "spikes" on Big Magnum Cartridges....
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