It’s a Myth That Toy Maker Mattel Helped Develop the M-16 During the Vietnam War It’s a Myth That Toy Maker Mattel Helped Develop the M-16 During the Vietnam War Kris Osborn · May 25, 2020 Please leave this field emptyStay Updated with Warrior Maven Subscribe for daily military news and updates delivered straight to your inbox. We don’t spam! Read our privacy policy for more info. Check your inbox or spam folder to confirm your subscription.