Is there a difference between 5.56 and 5.56 NATO?

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Tags

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2. #difference
3. #chambers
4. #loaded
5. #throat
6. #level
7. #optimally
8. #between
9. #approximately
10. #remington
11. #which
12. #cartridge
13. #first
14. #chambered
15. #higher
16. #weapon