Once again, go visit the site: CMP Home
And no, an 01/03 FFL is not required to buy a rifle from the CMP. In most cases, it is required, but this is the exception. They act in the place of the 01 FFL, do the background check, etc. BTW, anyone that is a commissioned officer of the US military meets the requirments for affilaition, competion, and citizenship- a copyu of your ID card covers all of that. Active, Reserve National Guard, and retired.