Banning semi-automatic rifles would do very little given that there are so many out there now and they are used in less than 10% of all homicides.
What the fuck is a "combat shotgun" since all shotguns can be used in combat? Also, very few shotguns are used to murder people.
Reinforce automatic sales? How many automatic rifles have been used to commit homicides in the past decade?
Do you believe that someone who is going to commit murder really cares if he has a high capacity mag or a bump stock?
Most gun homicides in the US are with a pistol. Why are you not addressing the biggest portion of the gun issue?