The FN 509 Compact MRD is a compact 9mm pistol designed for concealed carry and adaptable defensive use. Its striker-fired double-action system combines a consistent trigger pull with an integrated trigger safety, while the polymer frame provides a durable, lightweight foundation. The 3.7-inch recessed target-crown barrel pairs with a serrated black PVD steel slide for practical handling and long-term wear resistance. An optics-ready MRD interface supports compatible red-dot sights, and factory night sights provide a visible aiming reference in changing light. The pistol includes FN 509-pattern magazines and an integral Picatinny rail for compatible accessories.

Key features

• Compact 9mm pistol with a 3.7-inch recessed target-crown steel barrel
• 15+1 capacity with the included 15-round magazine and compatibility with a 12-round magazine
• Optics-ready MRD slide accepts compatible compact red-dot sights
• Factory night sights support aiming in low-light conditions
• Striker-fired double-action operating system with integrated trigger safety
• Black PVD-coated serrated steel slide and durable polymer frame with Picatinny accessory rail

The FN 509 Compact MRD delivers a carry-friendly size with optic-ready capability and practical factory features for everyday defensive use.