It may seem trivial, but it's another attack on the very idea of a gun.

S213: "Look-Alike Weapons Safety Act of 2015.

In general
Except as provided in paragraph (2), each toy firearm, look-alike firearm, or imitation firearm shall be marked or manufactured, or both, so that the coloration of the entire exterior surface of the toy firearm, look-alike firearm, or imitation firearm—(A)is white, bright red, bright orange, bright yellow, bright green, bright blue, bright pink, or bright purple, either individually or as the predominant color in combination with any other color in any pattern; and(B)is permanent.

https://petitions.whitehouse.gov/pet...rsoft/dkGRjlPZ