USP40 (V1) DA/SA safety/decocking lever on left two 10rd 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