I have been noticing that alot of the civilian tactical rifles are chambered in 5.56 and .223. What is the difference between the two.calibers, like in balistics?
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5.56 is a higher pressure round than the .223. You can fire 223 in a barrel designed for 5.56, but you do not want to fire 5.56 in a barrel designed for .223.
Not to be a dick, but there have been at least two other threads on this exact topic in the last week. It is also discussed in the "AR primer" sticky thread. I don't understand that.
Here is one: http://www.firearmstalk.com/forums/f18/difference-between-223-5-56-a-78224/
Dead Bears, the only good kind.
5.56 is what real operators use. .223 is a much weaker round and isn't as good at killing terrurists. FYI Call of Duty uses guns chambered in 5.56. There's a reason for that.
Read the aforementioned sticky. In fact, read them all.
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