Merely possessing the alcohol or MJ should not result in any action regarding your firearms rights.
Having a firearm on you while drunk or high would be a different matter.
That’s where the fine line is.
If you own firearms and also drink alcohol or smoke pot, how likely are the two to coincide?
In certain circles............................
Read your local crime blotters? Perps in them are often gun-toting drug addicts. But this move is still unconstitutional.
When camping!