The CMMG 57AFD1E magazine extension kit increases the capacity of compatible FN Five-seveN magazines by 10 rounds for use with 5.7 x 28 mm cartridges. Installation is reversible and does not permanently alter the factory magazine. This extension is not compatible with the newest generation FN magazines.
Key Specifications
- The extension adds a capacity of +10 rounds to compatible magazines.
- Compatible with FN Gen1 Five-seveN 20-round magazines.
- Designed for 5.7 x 28 mm caliber magazines.
- Finish is Black.
- Product type is a Magazine Extension.
- Model designation is 57AFD1E.
- Installation is non-permanent and reversible.
- Includes a chrome silicon spring that is salt water-resistant.
- Fit is specified for FN Five-seveN 20 Round Magazine.
- Not compatible with the newest generation FN magazines.
This extension provides a practical, durable option for users seeking a straightforward capacity increase for compatible FN Five-seveN magazines. With a corrosion-resistant spring and reversible installation, it is a dependable upgrade for those who prioritize reliable, no-nonsense gear.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
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