Testing the KNS adjustable gas piston in a couple 12.5” rifles with cans. The 105 has a Dead Air Wolverine. Best can for the AK platform there is. Our Gray Ghost combo gun is running an old AAC M4-2000. Both ran like a top with adjustability to ease any unwanted recoil. It cut the back pressure with the AAC can and I noticed less pressure back through the ejection port as well. This is due to the reduced back pressure with the piston. @ In Range inc.
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