.45 ACP. 4.375" barrel length. SN: 25-039573. Matte stainless steel finish to the slide with black synthetic frame and small parts. DA/SA short recoil operated autoloading pistol fed by detachable double stack magazines and mounting fixed triple white dot sights. The pistol shows standard HK make and model markings in addition to German proof markings on the slide and barrel. The serial number plate in the forward frame is enveloped by the marking Heckler & Koch, INC./Sterling, VA, and features English language markings on the frame. Item comes with a single 10-round reduced capacity magazine.