556 223 UPPER OR WILL TRADE UPPER 4 UPPER

[USMC1950]

I have A
PSA 8.5" PISTOL-LENGTH 5.56 NATO 1/7 NITRIDE 7" LIGHTWEIGHT M-LOK RAILED UPPER WITH BCG & CH looking to trade for a Rifle complete upper in 556 223.
also have a pistol buffer tube, buffer and spring
available.

PSA AR15 PISTOL BUFFER TUBE