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5.56X45 FEDERAL AMERICAN EAGLE 55 GRAIN FMJBT XM193 (500 ROUNDS)Want to give your AR-15 military-grade performance? Then you need a military-grade ammo like this 5.56x45 cartridge from Federal’s American Eagle label. It’s manufactured at the Lake City Army Ammunition Plant, the U.S. Army’s largest supplier of small arms ammunition, so it has the all the hallmarks of quality that the operation has become known for since first opening their doors in 1941.
This round has the M193’s 55 grain projectile, with a gilded metal jacket to ensure its ability to function positively in a semi-automatic rifle as well as prevent barrel leading. The bullet’s boat tail design greatly improves its ballistic coefficient, so you won’t have to take wind drift as closely under consideration while lining up your shots, and you can enjoy a flatter overall trajectory as well, even downrange.
This round’s brass casing is strong and annealed -- visibly so, in fact -- so it’s ideal for handloading. Its propellant charge dependably issues a muzzle velocity of nearly three times the speed of sound, and its M41 primer is mil-spec for certain performance as well.
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