I would think any polite and reasoned letter campaign would want to emphasize the angle of confiscation without compensation. Indeed, I would think this would be a major point in any litigation.
Jim's Rules of Carry: 1. Any gun is better than no gun. 2. A gun that is reliable is better than a gun that is not. 3. A hole in the right place is better than a hole in the wrong place. 4. A bigger hole is a better hole.