Mauser M20 Features The Mauser M-20 machined aluminum slide allows for use of both standard and HV ammunition. The gun features ergonomic grips; double/single-action; machined aluminum slide; slide serrations front and rear; hammer de-cocker and slide-mounted safety. Mauser M20 Specifications Brand: Mauser Rimfire Category: Rimfire Pistols Caliber: 22 LR Model: M20 Capacity: 10+1 Action: DA / SA Frame Finish: Black OAL: 7.10 Frame Material: Aluminum Sight Style: Adjustable Slide Finish: Black Slide Material: Aluminum Slide Description: Serrated Safety: Ambidextrous Thumb Barrel Length: 4 Max Capacity: 10 Weight: 1.40 lbs Frame Description: Aluminum Frame w / Picatinny Rail