Shop › AMMO INC T&R 5.56 55GR M193 20/500 AMMO INC T&R 5.56 55GR M193 20/500 $15.99 Ammo Inc Target & Range, M193, 556NATO, 55 Grain, Full Metal Jacket Bullet, 20 Round Box 556055M193-TR20 Quantity: Add To Cart Added! Ammo Inc Target & Range, M193, 556NATO, 55 Grain, Full Metal Jacket Bullet, 20 Round Box 556055M193-TR20