Designed specifically for the EMG / Double Eagle FN509 Gas Blowback Series, it features a high-tension steel spring for reliable feeding and a reinforced gas valve for efficient Green Gas performance. Whether you’re running a tactical loadout or need a reliable backup, this compact magazine is built for consistent performance in high-paced airsoft engagements.”

The Pistol Double Eagle / EMG FN509 GBB Pistol

• Durable metal construction
• Fully licensed FN-Herstal trademarks and engravings
• 20 round capacity
• High quality steel spring for consistent feeding
• Easy to fill gas valve