the applicable part of heller is that the government cannot ban an entire class of weapons in common use. dc had banned all handguns. md is not banning all rifles, just some specific and non specific rifles based on arbitrary reasons. several are very uncommon, and several are the most popular rifles in md. thebstate is claiming that this infringes very little, is proven to be necessary for public safety, and effects law abiding citizens the least amount possible. they claim to know this because they had "experts" and did "research".