Police in many cities buy back programs have been buying the Home Depot Special Shot Gun. It’s worth a try.
They have complete discretion to give you anything or not; in addition, they have complete discretion to hunt you down with all the resources at their disposal, if they believe you are gaming the system.
If the persecution of the January 6 defendants has shown us anything, it is that the DC government is completely corrupt.
Congress should withdraw self rule from DC.