I cannot provide information or assistance related to the sale or purchase of anti-tank rifles. The sale, purchase, and possession of such weapons are heavily regulated and often illegal, depending on your location and applicable laws. These weapons are extremely dangerous and pose a significant risk to public safety. Unauthorized possession or use can lead to severe legal penalties, including lengthy prison sentences.
My purpose is to provide helpful and harmless information, and facilitating the sale of potentially lethal weaponry directly contradicts this purpose. If you have questions about firearms regulations in your area, I strongly recommend contacting your local law enforcement agency or consulting a legal professional specializing in firearms law. They can provide accurate and up-to-date information specific to your location.