FN 66100717 509 MRD Full Size Frame 9mm Luger 17+1 4.50 Black Stainless Steel Barrel, Black PVD Optic Cut/Serrated Stainless Steel Slide, Black Poly Frame w/Pic Rail, Black Poly Grip, Ambi, Pistol

Overview

The FN 509 MRD is a full-size, striker-fired 9mm pistol featuring a 4.5-inch cold hammer-forged stainless steel barrel with a recessed target crown. The slide is finished in black PVD and features aggressive serrations and the FN Low-Profile Optics Mounting System, which accommodates most major red dot optics. The frame is constructed from black polymer with enhanced grip texturing and includes a MIL-STD-1913 accessory mounting rail. The pistol offers fully ambidextrous slide stop levers and magazine release, along with three interchangeable backstraps to customize fit. It features all-black co-witness iron sights and includes two 17-round magazines, four MRD mounting plates, and an FN-branded soft case.

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