Leads to scenarios where researching Contact: BlackOps Industries allows players to buy BlackOps Assault LMG's but not their ammo. Probably the same thing for BlackOps Smartguns, although it's a lot less likely that a player has not researched Machine Guns License by that point.
Alternatively, add Machine Guns License requirement to both BlackOps Assault LMG and BlackOps Smartgun.
Leads to scenarios where researching Contact: BlackOps Industries allows players to buy BlackOps Assault LMG's but not their ammo. Probably the same thing for BlackOps Smartguns, although it's a lot less likely that a player has not researched Machine Guns License by that point.
Alternatively, add Machine Guns License requirement to both BlackOps Assault LMG and BlackOps Smartgun.