A couple clarifications ... I found the aforementioned parts by clicking a link posted on "The Cobra Company" website ... which took me to Fireball Modelworks ... so you are correct and that is indeed where I saw the part.
The other thing ... I wrote a book called "Snake Driver! Cobras in Vietnam" (Random House - 1993), but was not a Cobra Pilot myself. I was, at different times, crew chief and/or door gunner on Hueys, OH-6 and Chinooks, and an Armor Crewman, Flight Operations NCO, Match Team Rifleman, Illustrator and Army Journalist.
You can squeeze a lot of adventure into 24 years of Army.