.357 Sig. 6" barrel length. SN: HGG444. Black third generation Glock "frying pan" finish and mounting black synthetic frame with accessory rail. Short recoil operated striker action autoloading pistol fed by detachable double stack magazines. Item mounts extended slide stops and magazine releases. The sights consist of matted and adjustable BO-MAR rear and front blade sights. The slide and the mounted barrel are both ported with the latter featuring eight ports. The currently mounted barrel in caliber .357 SIG sports manufacturer marking KKM/PRECISION. The pistol comes in its matching black plastic hard case with accessories including: the original .40 S&W caliber quadrouple ported barrel, nylon bore brush, synthetic cleaning rod, owner's manual in package, and with a kit for a locking backplate.