9mm Para. 3.41" barrel length. SN: BSMS581. Black Glock nDLC finish to metal parts with black synthetic frame and mounting standard Glock factory sights. Short recoil operated striker-action autoloading pistol fed by detachable double-stack ten-shot magazines. Item shows standard make and model markings, and features the standard front and rear cocking serrations and dual recoil springs of the 43X model. Comes in a matching black synthetic hard case with two magazines, magazine loading tool, cable lock in package, nylon bore brush, synthetic cleaning rod, and the owner's manual in package.