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The Range
Rifle & Shotgun Discussion
My 300 Blackout will not cycle subsonic
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<blockquote data-quote="Osage48" data-source="post: 2794246" data-attributes="member: 1176"><p>It will eject the spent brass, but not pickup a new round. I have tried a lighter weight buffer as well. Not sure how to make sure the gas port is properly aligned. It works well with supersonic ammo. I am using reloaded ammo (220 gr jacketed) and have shot thru a chronograph at about 1050 fps. The barrel is 16" with a mid length. I have used multiple mags with no success. The rounds cycle smoothly by hand so I don't think that is the issue. I am using a can.</p></blockquote><p></p>
[QUOTE="Osage48, post: 2794246, member: 1176"] It will eject the spent brass, but not pickup a new round. I have tried a lighter weight buffer as well. Not sure how to make sure the gas port is properly aligned. It works well with supersonic ammo. I am using reloaded ammo (220 gr jacketed) and have shot thru a chronograph at about 1050 fps. The barrel is 16" with a mid length. I have used multiple mags with no success. The rounds cycle smoothly by hand so I don't think that is the issue. I am using a can. [/QUOTE]
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My 300 Blackout will not cycle subsonic
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