It seems like the new "gas system" is really just to accomadate the urx 4's terrible mounting. I'm sure it's not worse but I would like to see just how much better it is. If I take off my 3.1 it's getting a kmr for sure. As a factory rifle I think it's as fine an option as the mod1, so long as you don't want to change the handguard out.
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