Thread: Subsonic 300BLK Noise levels

Originally Posted by Digit

We met with 3 companies in the USA last week who are all going down a different path to adjustable gas blocks. They are making adjustments on the BCG. These are a simple switch that can be turned through the dust cover. No need to remove your rail. Hope to have their products here in a couple of months.

where does that extra gas go though? I assume they just blead some off at the gas key? even if it directed out the ejection port and fixes over gassing it wouldn't help with noise levels I would have thought. very interesting idea though