Winchester 5.56x45mm NATO (55 Grain FMJ) Ammo 20rds

Please Note: While the 5.56x45mm NATO will fit in a .223 Remington chamber, the 5.56 is a military round that runs at higher pressures than its .223 counterpart and is not recommended to be fired in a .223 Remington Chamber.

Technical Information

Caliber: 5.56×45 (223 Remington)

Bullet Weight: 55 Grain

Bullet Style: Full Metal Jacket

Case Type: Brass