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| CMMG Magazine Extension for FN 5.7mm 20rd Magazines (ONLY), Black Finish. Extends the capacity of the factory FN Five-seveN 20 round magazne to 30 rounds. |
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Features
- Cannot be shipped to CA, MA, D.C., NY, Toledo OH., Chicago IL., NJ, Cincinnati OH., Aurora IL., or South Bend IN. unless you are a sworn law enforcement officer or military personnel with an agency letterhead authorizing purchase for official duty use. Please contact our Sales Department directly for more information on this state or local city/county requirement.
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