Full-size punch in a compact package – With our patented Low-Profile Optics Mounting System and proprietary auto-indexing compensator the FN 509 compact MRD compensated joins the ranks packing a full-size punch in a compact package. The pistol is striker-fired with a compensated barrel featuring an approximate 25% muzzle flip reduction. The FN 509 compact MRD compensated comes standard with a 12 and 15 round magazines. The patented FN Low-Profile Optics Mounting System accepts nearly all commercially available miniature red dot optics and features blackout iron sights that co-witness. The ambidextrous controls aid in manipulation and the texturing on the two included backstraps provides better recoil management. – PRIMARY FEATURES – Full-sized performance in a concealed carry package – Includes FN Compensator that was introduced on the FN 509 CC Edge – FN Low Profile Optics Mounting System with plate adapters for direct mounting of more than 10 optics – All-black co-witness iron sights – Full ambidextrous controls – World-class military-grade barrels – SLIDE – External extractor; loaded chamber indicator – Aggressive FN 509 slide serrations for improved manipulation – BARREL – Auto-indexing compensator – 4.2-inch Cold hammer-forged barrel – Recessed target crown – Polished chamber and feed ramp – FRAME – Shortened grip for easier concealment – Enhanced grip texture which enables faster follow-up shots in all conditions – Interchangeable backstraps – MIL-STD-1913 accessory mounting rail – OPERATING CONTROLS – Fully ambidextrous slide stop lever and magazine release – MAGAZINE – High visibility low-friction follower; polymer base with black finish – Comes with one 12-round and one 15-round magazine or two 10-round magazines – Compatible with FN 509 17-round and 24-round magazines with appropriate magazine sleeves. – FN 509