Knights Armament firearms are for sale every day at GunBroker.com. You can buy these popular firearms and gun accessories made by Knights Armament through one of the many sellers listing their products here at GunBroker.com, the world's largest gun auction site.
Although Knights Armament manufactures several types of firearm, it is perhaps best known for the creation of the Rail Interface System, or RIS. The RIS, along with the RAS (Rail Adaptor System) simplifies the mounting of firearm accessories by eliminating superfluous tools and modifications to the gun.
GunBroker.com sellers update their auction listings frequently, so if you're looking to buy a Knights Armament firearm or part, check back often.