NO TRADES) I am selling a MCX virtus 11.5” short stroke piston complete upper chambered in 556…. It will also come with a Conversion receiver extension so you build it out on a Mil-spec AR15 lower! Text 903-279-2014 for fast response! Will only answer texts! Price is OBO (please do not message me unless you have cash in hand… I don’t care if you’re trying to sell xyz to get the cash)