This is NOT a joke but part of an actual advert selling a lightweight, made just for kids, assault rifle:
Who owns Wee 1 Tactical? Company unveils JR-15 assault rifle for CHILDREN, 'just like dad's gun'
http://meaww.com/wee-1-tactical-owner-eric-schmid-jr-15-gun-for-children-launched-reactions
And this is the logo on the guns, a skull & crossbones, with a pacifier: