.40 S&W. 4.4" barrel length. SN: U718714. Black hard coat anodized frame with black Nitron finish to the slide featuring polished stainless slide flanks and small parts, and mounting SIG SAUER logo laminated wood grips. DA/SA autoloading pistol fed by detachable double stack magazines. Item features SIG rail accessory rail to the forward frame, TruGlo T6-H3 front sight and MH3/AE rear. The right slide features the SIGARMS/CUSTOM SHOP marking followed by the Equinox model marking. Right frame shows standard SIGARMS marking indicating the frame was manufactured in Germany. Left slide likewise shows standard make and model markings. Item comes with no magazine.