FN Herstal 509 BB Magazine, 18rds

This FN 509 BB Air Pistol Magazine is a must-have if you already have the FN 509 Air Pistol or are planning to buy one. It has an 18-round capacity and houses the 12-gram CO2 cartridge. It is needed for practicing quick magazine swaps during strings of shooting, and has the side benefit of keeping you on the firing line for longer. Do you have the FN 509 BB Air Pistol? Then buy a spare mag or two for it. FN Herstal 509 BB Magazine, 18rds

Key features

• Capacity: 18 rounds
• Houses 12 gram CO2 cartridge
• Great for training