Mag dump with the Echo binary trigger. If you are wondering, you do not need to modify your bolt carrier in order to run the Echo II in your CMMG Banshee. From the factory, it comes with the compatible full auto bolt carrier group. Dropping the trigger in just like any other AR15 rifle and it works fine.
I repeat, no modification is necessary to run the Echo II in the CMMG Banshee.
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