Matt, there's a lot of energy difference between supers and

by John K., Wednesday, January 18, 2017, 09:24 (2804 days ago) @ matt/pa

subs. A gun set up for supers won't cycle subs without a can adding additional backpressure and even then it is iffy. One way is to add an adjustable gas block and/or increase the port size until it runs subs; then it is overgassed for supers. There are specialty buffers out there for supressed guns but I have never used one.

For me personally, it is an annoyance to switch back and forth between subs/supers and re-zero with/without a can so I prefer to set a gun up and leave it alone.


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