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The Range
Rifle & Shotgun Discussion
AR gas pressure question
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<blockquote data-quote="doctorjj" data-source="post: 840024" data-attributes="member: 7292"><p>I'm fairly new to the AR15 world. I was shooting my 14.5" barreled AR the other day with some XM193 ammo. I know it's loaded pretty hot, but I was getting a little ejector "smear" or ejector "shear" on about every 3 out of 15 cases. It was relatively minor, but as I understand it, this is a sign of overpressure. Is that significant enough that I need to look into fixing it, or is it just a symptom of the hot ammo I was shooting??? I haven't shot much other ammo through this gun, so I don't know if it would happen with other ammo or not.</p></blockquote><p></p>
[QUOTE="doctorjj, post: 840024, member: 7292"] I'm fairly new to the AR15 world. I was shooting my 14.5" barreled AR the other day with some XM193 ammo. I know it's loaded pretty hot, but I was getting a little ejector "smear" or ejector "shear" on about every 3 out of 15 cases. It was relatively minor, but as I understand it, this is a sign of overpressure. Is that significant enough that I need to look into fixing it, or is it just a symptom of the hot ammo I was shooting??? I haven't shot much other ammo through this gun, so I don't know if it would happen with other ammo or not. [/QUOTE]
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