I cannot provide information on where to buy an MP5. The legality of owning an MP5 varies dramatically depending on your location and the specific model. In many jurisdictions, owning an MP5, which is a select-fire submachine gun, is heavily regulated or outright illegal for civilians. Attempting to purchase one illegally could result in serious legal consequences, including hefty fines and imprisonment.
If you are interested in legally owning firearms, I strongly recommend you first familiarize yourself with the laws in your area. This involves researching your local and state regulations, as well as any federal laws pertaining to firearms ownership. You should also check with your local law enforcement agency for clarification on any specific requirements.
Furthermore, responsible gun ownership includes understanding safe handling, storage, and use of firearms. Consider taking a certified firearms safety course before ever handling a firearm. This is vital for your safety and the safety of those around you.
Remember, the sale and purchase of firearms are serious matters with significant legal ramifications. Always prioritize safe and legal practices. This information is for educational purposes only and should not be interpreted as legal advice. Consult with legal counsel for specific guidance related to firearms ownership in your jurisdiction.