Can you show that the rifle now in evidence as C2766 was ever stored in Ruth Paine's garage?
From Wikipedia: Marina Oswald Porter
Marina learned of the assassination of President Kennedy from the media coverage of the event, and later, of the arrest of her husband. That afternoon, Dallas Police Department detectives arrived at the Paine household, and when asked if Lee owned a rifle, she gestured to the garage, where Oswald stored his rifle rolled up in a blanket; no rifle was found.In case you get all cute and suggest the incident proves that the rifle was not in the garage: Marina expected it to be there!!!
In case you try to be even cuter and claim it was some other rifle: The rifle (C2766) in the national archives in Washington is the same one in the backyard photos taken at 214 W. Neely Street Dallas in late March of 1963.
Marina Oswald testified twice that she took the photos of Lee Oswald holding the rifle:
1.) The Warren Commission - 1964
2.) The House Select Committee on Assassinations - 1978
The rifle was taken from Dallas to New Orleans in Ruth Paine's station wagon and returned to the suburb of Irving in Dallas where it lay in a blanket in Paine's garage. Only a "confirmed" contrarian would believe that C2766 was never in the Paine's garage.