Federal American Eagle 5.56mm 62 Grain XM855 FMJ Ammo - 600 Rounds per Box - Steel Core Penetrator - $239

This is the famous and hard to find mil-spec M855 Steel core Green Tip. It is loaded to NATO specs and is not intended for use in commercial or bolt-action rifles chambered in 223 Remington ammo, but is perfect for your AR15 in 5.56 cal. This is the same ammo in use by our troops right now in Afghanistan. Please check with your gun manufacturer prior to purchasing this ammo. Each round is brass-cased, boxer-primed, non-corrosive, and reloadable. It is both economical and precision manufactured in the USA. THIS AMMO IS STEEL CORE PENETRATOR AND NOT RANGE SAFE LEAD CORE! SPECIFICATIONS: Manufacturer: Federal Item #: XM855BK150 Category: AMMO CENTERFIRE Caliber: 5.56 NATO Bullet Type: Full Metal Jacket Bullet Weight: 62 Gr Muzzle Energy: 1767 ft lbs Muzzle Velocity: 3100 fps Rounds per Box: 150 Rounds per Box / 4 Boxes per Case