Are AR 15 and m4 the same?

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Tags

1. #automatic
2. #capable
3. #variant
4. #marine
5. #accessories
6. #rifle
7. #accept
8. #shorter
9. #stoner
10. #vietnam
11. #version
12. #platform
13. #specific
14. #parts
15. #military
16. #civilian
17. #handier