Description SDT- Self Defense Trigger for optimal consistent pull first round to last. Striker fired action. Stainless steel barrel and slide. Standard Picatinny style rail. Polymer frame. Slim ergonomic textured grip with aggressive front and back strap texturing. Textured finger locator.Specifications:Barrel Length: 4Barrel Length Range: 4 to 4.9Caliber-Gauge: 9MMCapacity: 16Features: White dot front sight. Fixed 2-dot rear sight.Finish: Two-ToneHand Gun Web Model: Model SDMade in the USASpecific Caliber: 9mmTactical Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.