The FN 509 Compact is a striker-fired 9mm pistol designed for concealed carry and everyday defensive use. Its compact polymer frame combines a 3.7-inch barrel with a 10+1 capacity, while interchangeable backstraps help users tailor the grip to their hand. Standard fixed sights provide a familiar sight picture, and the integrated trigger safety supports secure handling during carry.

Key features

• Compact polymer frame with a 3.7-inch barrel for convenient concealed carry
• 10+1 capacity in 9mm for a balance of firepower and compact dimensions
• Interchangeable polymer backstraps allow the grip to be customized for hand size
• Striker-fired action with an integrated trigger safety
• Fixed standard sights provide a durable, low-maintenance sighting system
• Black finish for a consistent, subdued appearance

The FN 509 Compact offers a practical combination of carry-friendly dimensions, adaptable ergonomics, and dependable 9mm performance.