Description Features fixed sights, interchangeable backstrap, revisable magazine catch and Dual recoil spring. Safe Action trigger system with three safeties. Right hand, hexagonal barrel rifling. Tenifer surface treatment process for barrel and slide.Specifications:Barrel Length: 3.47Barrel Length Range: 3 to 3.9Caliber-Gauge: .40 S&WCapacity: 9Hand Gun Web Model: GLOCKÂ 27Specific Caliber: .40 S&WTactical 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.