Walther PPQ M2 SD Tactical 22 Long Rifle 4in Matte Black Tenifer Pistol - 12+1 Rounds - Walther's tactical PPQ M2 SD .22 is the best of both worlds, efficiency and self defense. The pistol has a polymer frame with an integral Picatinny MIL-STD-1913 rail, threaded barrel, a reversible magazine release button, ambidextrous slide stop and interchangeable backstraps for the perfect fit. It utilizes a quick defense trigger, matte finish Tenifer-coated slide and barrel for corrosion resistance, low profile 3-dot combat sights. It has two drop safeties as well as a firing pin block.