As of right now I would be very interested in trading for a rail mounted AR-15 type folding sight made of metal from a decent manufacturer. Extra special bonus points if it is a MaTech Milspec BUIS but I'm pretty open to any decent option. Also if you have a used Aimpoint or Eotech I am interested.
edited to include: I am also looking for a Glock 22 9mm conversion barrel such as this lone wolf model.
I can also definitely use some carbine length AR handguards (mil spec type or similar with metal heat shield) and would like one of those Tapco AK hand grips.
I can also use a couple of those MOLLE FLC mesh vest things to make ancillary rigs of spare pouches. Also a good holster for a 4"k frame with a heavy barrel would be nice as would a streamlight or surefire flashlight (1" tube type) to mount on a weapon.
Those are specific things I can really use. Beyond that all manner of mags (AK, AR, Ruger 10/22, HK G3, Browning Buckmark, Glock 9/.40), spare parts, commo equipment and of course precious metals.
I can also use a small full tang knife like an Isulla II.
I am not saying this list is by any means inclusive, it would take days to come up with every possible thing I might potentially trade for. You might have something I haven't thought to mention or maybe even a cool thing I haven't heard of. So If you have something that seems generally useful for preparedness and want to trade it for something I have just let me know. Worst case I will say no thanks.
I hope this explains where I am at with trades for barter town.