Century Arms AP5SD SpecificationsManufacturer: Century ArmsFamily: AP5 SeriesModel: AP5SDType: Semi-Auto PistolCaliber/Gauge: 9mmFinish: Matte BlackFinish Type: BlackFrame: Polymer FrameBarrel: 5.75"Overall Length: 24.75"Rate-of-Twist: 1-in-9.8Capacity: 30+1# of Magazines: 2Magazine Description: 30-round magazinesSights: Rear DiopterSight Type: Adjustable SightsThread Pattern: 1/2x28Special Feature: Threaded BarrelWeight: 6.66 lbs.Shipping Weight: 11.3 lbs.Safety Features: 2-Position Thumb SafetyAdditional Info: Suppressor Ready/3-Lug BarrelAdditional Info: Removable Faux SuppressorAdditional Info: Picatinny Optics Mount