Description Brand: Kel-TecCategory: Tactical RiflesCaliber: 223 Remington / 5.56 NATOModel: RDBSeries: Downward Ejecting BullpupAction: Semi-AutomaticBarrel Length Range: 20.00" to 21.99"Sights: None, Optic ReadyCapacity: 20+1Muzzle: Flash HiderHand: AmbidextrousMetal Finish: Black NitrideOAL :30.6"Safety: AmbidextrousStock Description: Polymer Bullpup BlackTwist: 1:7"Weight: 7.2 lbsBarrel Length: 20.5" 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.