Master Key
S1, E2: Will, the owner of Red Jacket Firearms, has to combine two different weapons – an M16 machine gun and a shotgun – to build a Master Key gun for a SWAT team.

S1, E2: Will, the owner of Red Jacket Firearms, has to combine two different weapons – an M16 machine gun and a shotgun – to build a Master Key gun for a SWAT team.