The ProMag FN Five-seveN 55-round drum magazine provides extended capacity for the FN Five-seveN pistol in 5.7x28mm.
- Caliber: 5.7x28mm
- Capacity: 55 rounds
- Compatible Firearms: FN Five-seveN pistol, FN PS90 carbine
- Material: Polymer body
- Finish: Flat Dark Earth (FDE)
- Magazine Type: Drum magazine, windable mechanism
- Includes: Loading tool
