USP9 Tactical (V1) DA/SA safety/decocking lever on left three 15rd magazines and adjustable night sights - Threaded O-ring barrel with polygonal bore profile - High profile target sights - Match grade trigger - Adjustable trigger stop - Target sights with micrometer adjustment for windage and elevation - One piece machined nitro-carburized steel slide - Can be converted to any of nine trigger firing modes - Patented HK recoil reduction system - Corrosion resistant Hostile Environment blued finish - Corrosion proof fiber-reinforced polymer frame - Oversized trigger guard for use with gloves - Choice of flat and extended floorplate magazines - Universal mounting grooves for installing accessories - Ambidextrous magazine release lever - Extended slide release - Extractor doubles as a loaded chamber indicator - Patented Lock-Out Safety device