Federal, Syntech Action Pistol, 9MM, 150 Grain, Total Synthetic Jacket, 50 Round BoxLike all Syntech loads, Action Pistol features the exclusive Total Synthetic Jacket (TSJ), which prevents metal on metal contact between the bullet and barrel, eliminating copper and lead fouling as well as reducing damaging heat and friction. Features : 9MM 870 Feet per second 150 Grain total synthetic jacket 50 Rounds per box UPC 604544624083 Manufacturer Federal Manufacturer Part # AE9SJAP1 Model Syntech