USP40 (V1) DA/SA safety/decocking lever on left two 13rd magazines – Corrosion proof fiber-reinforced polymer frame – Polygonal bore profile for increased velocity easier cleaning and longer barrel life – Can be converted to any of nine trigger firing modes – Corrosion resistant “Hostile Environment” blued finish – Oversized trigger guard for use with gloves – One piece machined slide made from nitro-carburized steel – Universal mounting grooves for installing accessories – Ambidextrous magazine release lever – Extended slide release – Patented Lock-Out Safety device