9mm Para. 3.9" barrel length. SN: AL13251. Black Nitron finish with black anodized frame and black synthetic grips. Short recoil operated DA/SA autoloading pistol fed by detachable double stack magazines. Item shows standard make and model markings overall, and comes in a blue plastic hard case with accessories. Included in the case are two ten-shot limited magazines, the owner's manual, and a detached Sig Sauer inspector tag.