WTS 180rds of Silver State Armory 5.56Nato 70gr Barnes TSX, $200 For sale is 9 boxes (180rds total) of 5.56Nato 70gr Barnes TSX boat tail ammunition from Silver State Armory. All from same lot. Manufactured new, ordered in January 2011. Asking $200 for the 70gr Barnes TSX. Will sell in smaller quantities, by-the-box. Trades: New Lake City XM193, or new factory-loaded brass-cased 165/180gr FMJ .40S&W.