WTT LT Stealth 16 inch for LT Stealth 18 i or 20 inch

[1 Source]

I have a gently used (Less than 300 rds) LT Stealth 16 inch with 11 inch rail that I would like to trade for a LT Stealth 18 or 20 inch upper. (maybe a Noveske or something similar would be OK too.)

PM me with interest.