MagTech 556A : This MagTech Rifle 5.56 NATO load features a full metal jacket bullet with a 55 grain weight and brass casing.Full Metal Jacket projectiles are the ideal choice for training target shooting and general range use. Magtech FMJ ammunition delivers reliable accurate performance on the range. Available in a wide variety of calibers and bullet weights along with supersonic and subsonic options where applicable. - Symbol : 556A - Bullet Type : BALL - Bullet Weight (GR) : 55 - Case : BRASS - Primer : Small Rifle Primer 7 1/2 - Ballistic Coeficient : 0.272 - Packaging (inner box) : 50 - Packaging (outer box) : 1000