PROMAG FN 5.7 USG 30RD BLK
By CR
Review Date: 07/30/2010
Rating: 
Purchased From This Site: Yes
Perfect fit and feel! Much better than the 10 round kits that attach to the 20 round magazines.
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PROMAG FN 5.7 USG 30RD BLK
By RH
Review Date: 08/01/2011
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Purchased From This Site: Yes
Well made. Rounds feed flawlessly. Magazine extension creates improved shooting hold.
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PROMAG FN 5.7 USG 30RD BLK
By jd
Review Date: 11/24/2010
Rating: 
Purchased From This Site: Yes
good work! keep it up
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PROMAG FN 5.7 USG 30RD BLK
By TB
Review Date: 02/21/2011
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Purchased From This Site: Yes
The magazine is just what I wanted.
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PROMAG FN 5.7 USG 30RD BLK
By AB
Review Date: 04/12/2011
Rating:
Purchased From This Site: Yes
The mag fits well In my FsN IOM and functioned perfectly. Easily than carrying a second magazine. Just be aware that the grip now extends about 2"longer.
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