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AR15.COM
5/9/2021 2:46:28 AM EDT
[Last Edit: GreenMushroom][Edited]
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5/10/2021 6:33:06 AM EDT
[#1]
Can't help with magazine issue but early Banshees were somewhat prone to ejection issues. This was normally traced to the ejector spring.

I have a 2020 Banshee that suddenly began leaving the spent case in the receiver causing some interesting jams; I would get the empty and the loaded round trying to feed at the same time. Even caused the dreaded case caught in the charging handle recess and mangled in place jam.

Thought mine was the ejector spring. CMMG sent me a couple new ones and it made it worse! Then I changed the extractor spring and installed the o ring "extractor enhancer" and voila'! Problem completely fixed.

CMMG was pretty great about sending me springs to try but it took about ten days or two weeks each time.

Hope this might help some.
5/10/2021 12:23:33 PM EDT
[Last Edit: GreenMushroom][Edited] [#2]
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5/10/2021 8:19:35 PM EDT
[#3]
Sorry I couldn't help. I would contact CMMG were I you. From my interaction with them I believe they'll go to considerable lengths to make it right for you regardless of age.

Good luck.
5/25/2021 7:00:11 PM EDT
[#4]
My Banshee broke it's extractor spring pretty early on.  I ended up sending the bolt back to CMMG for them to fix.  The spring is not standard AR15 size.  I ended up getting one of their bolt repair kits, but have no shot it much since the repaired part returned.

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