Description Features an integrated bipod, Picatinny rail and rotating stock with magazine storage and a lighter, shorter barrel. Comes equipped with Chrome-lined bore and chamber standard. Front and rear sight are hard coat anodized aluminum and adjustable for elevation and windage respectively. They are both removable and the front sight uses AR-15 style front sight posts. Blued barrel. Weight unloaded: 4.5 pounds. Length Open: 35.9 inches. Length Closed: 24.9 inches. Twist: 1:9 inches. Trigger Pull: 5 to 7 pounds.Specifications:Barrel Length: 16Caliber-Gauge: 5.56MMCapacity: 10Finish: BlueLong Gun Web Model: SU-16Made in the USASpecific Caliber: 5.56mm/.223Stock: OD GreenTactical 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.