I bought the 18650/18350 version awhile ago and I wanted a matching stand alone 18350 version. Now that FT has dropped the price to $5.36 it's too good a price to ignore.

22mm attys sit flush, threads are clean and smooth, the spring loaded bottom firing button is smooth and light to press, three large battery vent holes, clean inside and out with no scratches, burrs or oil.

The only con for me is that the top and bottom caps are media blasted so they don't match the stainless steel tube. Other than that it's a good stealthy hybrid mechanical mod for the price.