New never fired complete PWS MK116 MOD-2 .223 Wylde Upper. Replaced the PWS FSC Compensator with a HUXWRX flash hider and then put the PWS FSC Compensator back on. Minor mar on piston tube, hidden by handguard anyway, from barrel vice rubber clamps. I have done a # of these uppers and there is no way around it since the piston runs right above the barrel. Effects nothing. Comes with key for gas selection. $1,025 shipped.
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