[Drew Hause]

The Remington sample segments are here
https://docs.google.com/document/d/1...SZxCmUQME/edit

Parker examples are here
https://docs.google.com/document/d/1...YvzD18i3c/edit

Colt salesman's sample rod is here
https://docs.google.com/document/d/1...xa1kDegrg/edit

I am not aware of the existence of salesman's samples from any other U.S. maker.

There is a Baker Gun & Forging damascus fabrication demonstration rod