What is a PDW upper?

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Tags

1. #elite
2. #pistol
3. #patented
4. #piston
5. #short
6. #melonited
7. #system
8. #adams
9. #forearm
10. #barreled
11. #tactical
12. #upper
13. #samson
14. #comes
15. #length
16. #technology
17. #proprietary
18. #extended
19. #contour
20. #heavy
21. #evolution
22. #incorporates
23. #floating
24. #barrel