The military version of .223 caliber. Can't use it if your barrel is not marked 5.56.
lighter bullet and more ammo can be carried as opposed to the 30/06 or 308
There are many brands of 556 ammo available. Some of the better rated ones by users include Barnes and Hornday. Both have great user ratings for hits and shots fired.
Yes the mags work with both ammos. You can not tell the difference in the two by looking at them.
556
556 * 556 = 309,136
556 = 55,600%
I assume that you are referring to 5.56mm in your question?,if so yes you can shoot this ammo in your rifle.The 5.56mm is the metric designation for the .223 Remington cartridge.
70% of 556 is 389.2. Which means that 166.8 is 30% of 556.
why you asking me 556-thousands = 556/1000 = 0.556 as a decimal
556
It is: 556 = DLVI
556 - 223 = 333