11-25-2020, 01:29 AM
montana Wrote:My 12.5" Lilja Barrel has a step gas port. The widest on the outside step is .083 and the inner step is .072 with a carbine gas system. I would gather the mid length gas system would have to be near the .093+. Best to start small and work up...
Did you specifically step the port with the idea in mind to open it up, should it not function at the smaller diameter?

