What is the value of a Colt AR15A2?
Depends on the exact Model Number, box, papers, accessories, caliber, etc.. Range from 500-1500 USD.
You have written your question in a way that guarantees it can not be answered. In order to answer your question you left out the most important piece of information. You did not provide the serial number. Serial number data has been published in many books. The Blue Book of Gun Values is one. Alternatively, you can call Colt with he serial number and they will tell you.
The value will differ from place to place depending on where you live but most pre-bans can land you around 2,500 dollars most likely more. In Connecticut I know to hefty price tag is worth it when the rifle comes with a flash suppressor. For a relatively new pre ban with little wear and tear to get you between $2000 and $3000 if not more. But scout around local gun shops in your area for…