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When I was looking on midway for an adjustable gas plug I came across a 4 port variant and a 2 port variant. With no explanation as to the difference. Is one preferred over the other?
It's wonderful that milsurps has allowed us to continue on their site. Thanks!
Functionally there is no difference. The four port looks like the late "piston type" gas cylinder plugs.
The two prot variety looks like the original solid gas cylinder plugs.
Neither really looks exactly like the original gas plug but they aren't too terribly far off.
Jeff