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The Range
Rifle & Shotgun Discussion
My AR blew up on me today...
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<blockquote data-quote="SoonerP226" data-source="post: 2515145" data-attributes="member: 26737"><p>Another possibility is an undercharge. I remember reading about this in the late '80s or early '90s; as I recall, if the charge was small enough with the right powder, the primer flash hole could be left exposed, so the primer flash could ignite the powder across a much larger surface area than in a properly-charged round, resulting in detonation instead of ignition. One of the pictures I recall was of a revolver with the topstrap peeled forward like a banana and the top of the cylinder gone. </p><p></p><p>I don't recall if this was something that affected rifle rounds, or if it was a handgun caliber-only phenomenon. I do remember that the type of powder was important...</p></blockquote><p></p>
[QUOTE="SoonerP226, post: 2515145, member: 26737"] Another possibility is an undercharge. I remember reading about this in the late '80s or early '90s; as I recall, if the charge was small enough with the right powder, the primer flash hole could be left exposed, so the primer flash could ignite the powder across a much larger surface area than in a properly-charged round, resulting in detonation instead of ignition. One of the pictures I recall was of a revolver with the topstrap peeled forward like a banana and the top of the cylinder gone. I don't recall if this was something that affected rifle rounds, or if it was a handgun caliber-only phenomenon. I do remember that the type of powder was important... [/QUOTE]
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My AR blew up on me today...
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