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Long Range Hunting & Shooting
What blew up my gun?
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<blockquote data-quote="MNbogboy" data-source="post: 1709182" data-attributes="member: 18849"><p>First, glad no one was hurt. I'll try not to be critical because solving this will help all of us.</p><p></p><p>Second, if those were the 5 previous fired cases then it's hard to believe barrel obstruction from squib. Primers all appear too flattened for squib (but possible).</p><p>The flattened primers may have been from "hot" loads, excessive head space or primer cup material (I had a whole brick of WW primers that flattened like that, never used them since). </p><p></p><p>Third, I see three different brands of brass and what appears to be an ejector mark on the FC case. Probably not a good practice to be mixing brass with same charge.</p><p></p><p>Questions; </p><p>1. how many loads on this brass?</p><p>2. We're primer pockets getting loose?</p><p> Loose pockets can lead to blown primers and catastrophic case head failure as in your case. I blew a primer twice in 55 years. Once an overcharge with 221 fireball while working up a load. And once by overextending primer pocket life with "max" loads. Both were my fault and I should have known better!</p><p>Slight damage in both cases with hot gasses in my face & eyes. Nothing like your accident but often left me flinching for years and even once in a while to this day. </p><p>Safety should be our first goal with handloading.</p></blockquote><p></p>
[QUOTE="MNbogboy, post: 1709182, member: 18849"] First, glad no one was hurt. I'll try not to be critical because solving this will help all of us. Second, if those were the 5 previous fired cases then it's hard to believe barrel obstruction from squib. Primers all appear too flattened for squib (but possible). The flattened primers may have been from "hot" loads, excessive head space or primer cup material (I had a whole brick of WW primers that flattened like that, never used them since). Third, I see three different brands of brass and what appears to be an ejector mark on the FC case. Probably not a good practice to be mixing brass with same charge. Questions; 1. how many loads on this brass? 2. We're primer pockets getting loose? Loose pockets can lead to blown primers and catastrophic case head failure as in your case. I blew a primer twice in 55 years. Once an overcharge with 221 fireball while working up a load. And once by overextending primer pocket life with "max" loads. Both were my fault and I should have known better! Slight damage in both cases with hot gasses in my face & eyes. Nothing like your accident but often left me flinching for years and even once in a while to this day. Safety should be our first goal with handloading. [/QUOTE]
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