I’ve probably gotten about 20 kills with the Heatwave at this point, and not one has counted.
Here are 2 videos below from a recent match that failed to complete the challenge:
xboxreplay . net/player/wanderer128/clips/05f40ba7-1be0-4440-98e2-7426446d7867
xboxreplay . net/player/wanderer128/clips/be3e824e-3f2f-4187-ae93-62c935ffc38e