BOLT Airsoft are the only company offering MP5-style AEGs with the blowback and recoil features and Pro Hunters TV takes a look at the SD6 model... "The BOLT SWAT SD6 Rifle is inspired by modern MP5 platforms currently used by the armed forces, especially the American SWAT. Its modern design with aluminum body, suppressor and adjustable stock make this model versatile both for fighting in confined environments and in the woods.