No. A convicted felon is a convicted felon regardless of WHERE they go or live in the US. Note: Use caution if you're even thinking about it! The federal punishment for felon in possession of a firearm is a minimum of 15 years in federal prison.
YES
NO
Not legally.
Yes...
A convicted felon may not purchase, possess, or have access to firearms ANYWHERE in the United States as per federal law.
No.....
Does the state of Oregon allow a felon to buy a hunting licese?
Provided you are not a convicted felon, you can buy long guns at 18 and hand guns at 21.
If you are a convicted felon, that is on your record and that information can be accessed by anyone who has access to NCIC, no matter what state you are in.
You need to consult with a lawyer familiar with firearms law.
Depends on what you have been arrested for. If you are a convicted felon or have been convicted of a violent misdemeanor or have a restraining order then no. If you have a misdemeanor such as DUI or public intoxication then yes
Depending on the state you live, it may. I am a resident of Florida, where there the only gun legislation is that of federal law. Federal law states you cannot possess a firearm if you are a convicted felon. Depending on your DWI or possession of marijuana charge, you may not be able to buy a gun.