WTT: URX 2 (midlength) or URX III rail for URX 3.1 (13.5") or rifle length URX 2 rail

[shin_en]

looking to trade either a URX 2 (midlength) or URX III (12.5") rail for a URX 3.1 (13.5") or rifle length URX 2 rail.

I'm located in Orange County. if you are local I can install the rail if needed