This is Bushmaster's ad for the gun Adam Lanza used in the Sandy Hook shooting, in which he killed 20 children and six adults.
These are "school safety" items sold by Bullet Blocker, maker of bulletproof products.
The NRA and gun makers have not only helped to pervert already-degraded ideas of masculinity in this country by glorifying (and selling) military-grade weapons, they have also helped to destroy, to a certain degree, childhood itself.