I am not a LEO, but before anyone else can answer this question, I believe you should state what type of firearm.
a few rules,
1) NO mags larger then 10 rounds.
2) many types of "black" rifles are on the DO NOT own list.
3) depends on where you are, loaded or unloaded?
4) you will NOT be legal to conceal.
many more laws, to many to list.