Aluminum Magazine Extension (+5) for FN Five-seveN® USG/MK2
- FN Five-seveN® USG/MK2 Compatible.
- Increased Capacity: Adds 5 extra rounds to your FN Five-seveN USG/MK2 20 round magazine. (25 +1 total)
- Easy Installation: Installs quickly with no gunsmithing required.
- Durable Construction: Made from black anodized aluminum for long-lasting use.
- Sleek Design: Complements the look of your FN Five-seveN with a tactical finish.