16" and 10.5" ar barrels

Im looking for a used light 16" ar barrel that is 5.56 with a pinned on fsb. 1:9 or 1"7 twist rate.I only need the barrel but im open to other offers as well must be a good brand name and a low’ist round count.

I need a 10.5" ar a abrrel for a pistol im looking to build 1:7 or 1:9 twist preffered. l can used the whole upper for this. i really want to finish the 16 and start the 10.5 within a year but funds just arent flowing real strong. please let me know a price.