Up for sale or trade is a TRIJICON ACOG TA-31 ECOS 4X32 FLAT DARK EARTH, RED CROSSHAIR, WITH 3.25 MOA RMR SIGHT AND A.R.M.S QD BASE. Does not come with the original box. Comes with ARD kill flash. It is in brand new condition, not one blemish, dent, scratch, or defect, it is flawless. This ACOG was made on january 2013. Would be willing trade for a PEQ-15 or DBAL A2 OR A3. Buyer pays actual shipping cost. $1400 FIRM. Located in Portland ,Oregon.