Where the guns came from is irrelevant. It wouldn't have affected his sentence at all if they were legally obtained. Which they probably were. All of my firearms have been obtained legally. But it wouldn't surprise me if some of them have been stolen before.
15 years for selling pot while exercising your 2nd amendment rights is 15 years too many.
The laws in question are unconstitutional and immoral. And we have a duty to defend the constitution of the united states of america. Some of you, myself included have sworn an oath to do just that.