Sure, no problem. Here's my citation.
citation:
http://www.history-matters.com/archive/jfk/wc/wcvols/wh3/html/WC_Vol3_0202a.htm
You will note it is the same as yours.
I see nothing where FBI Agent Frazier admitted to RUST or corrosion. What he spoke to was corrosion OR WEAR (e.g., from being used).
That changes the allegation you make into another conspiracy point that doesn't prove what it is alleged is proven.
What Frazier actually said was:
Frazier: ... the lands and the grooves were WORN, the corners were WORN, and the interior of the surface was roughened from CORROSION OR WEAR. [emphasis added by me]
At no point did he mention RUST within the barrel being found. But that was your specific claim. Your claim was quite specific:
There is sworn testimony that the rifle had RUST AND CORROSION in the barrel.
Nope. Frazier never said that.
Corrision can come from a number of sources; wear being one of them.
http://www.merriam-webster.com/dictionary/corrode
1: to eat away by degrees as if by gnawing; especially : to wear away gradually usually by chemical action <the metal was corroded beyond repair>
2: to weaken or destroy gradually : undermine <manners and miserliness that corrode the human spirit — Bernard De Voto>
Let me reiterate: At no point did he mention RUST within the barrel being found.
YOUR citation itself shows that. The point you attempt to make is unproven because your own citation does not say what you said it did. No rust was found in the barrel...
Hank