Winchester 5.56x45mm NATO, FMJ, 55 Grain, 200 Rounds

Winchester is a global leader in the development and manufacture of ammunition, 5.56x45mm as well as related products for sportsmen.

Winchester® stands for value above all. So bulk up and save big when you buy here!

PLEASE NOTE: While the 5.56x45mm round will fit in a .223 Remington chamber, 5.56 is a military round that is loaded to a higher pressure than its .223 counterpart, and is therefore not recommended for use in rifles chambered for .223.