I still don't have an answer to why the released ex-con should be made defenseless before his former friends who if they choose to do so will be armed, the law notwithstanding, when they come calling?
The reason I am proposing is that the restriction is punishment for the crime he commited. If that is unacceptable, it sounds like the alternative is that he be made to remain in jail. It is my suspision that given the choice to stay in jail or be released under the condition that no firearms be possessed, most would choose release.
To limit them and make them vulnerable on release sounds to me like "A Clockwork Orange". I'm OK with them having to check in with a parole officer periodically as a condition of the initial sentence, but that has a clearly defined end date. The restoration of someone's ability to lawfully exercise his RKBA or the restoration of his good name is nebulous and undefined and may not happen at all, despite no further wrongdoing. It is that with which I disagree.
If the restoration of the RKBA was defined with an end date like the parole structure we have today, would that satisfy your objection?