1,000 rounds of PMC 5.56K 5.56 new SS109 Green Tipped new steel core ammunition, 2016 Produciton. This is packaged 20 rounds per box, and 50 boxes are included in this auction, for a total of 1,000 rounds, and what you see in the auction is what you get. Each round is brass cased, non-corrosive, boxer primed, and has a 62 grain copper jacketed FMJ steel core bullet. It's military designation is XM-855. This is currently manufactured ammunition, made in 2016, by PMC, and each round has the 62 grain, Green Tip, SS109, steel core Penetrator bullet.