Sons of Liberty Gun Works Carbine Gas Tube Black. . Established working with several of the most heavy duty and dependable materials available these AR Gas Tubes from Sons of Liberty Gun Works can provide something that will give you a great deal of stability. Sons of Liberty Gun Works has been developing top quality products for a number of years and the Sons of Liberty Gun Works Gas Tube is their approach to showing you exactly how much they are concerned. At OpticsPlanet we ensure that it is our responsibility to receive the most suitable product for all of your needs and featuring the Sons of Liberty Gun Works Gas Tube is one thing that we are delighted to offer. Specifications for Sons of Liberty Gun Works Gas Tube: Manufacturer: Sons of Liberty Gun Works Color: Black Gun Make: AR Platform Package Contents: Sons of Liberty Gun Works Gas Tube Sons of Liberty Gun Works CARBINEGASTUBE: Carbine Gas Tube Black