The AR-15 platform, which would become the Army’s go-to battle rifle, the M-16, went through many stages of development before becoming the weapon we know today. The process of soldier input, input integration and improvement was constant for decades.

- Image ID: R8YXGF
The AR-15 platform, which would become the Army’s go-to battle rifle, the M-16, went through many stages of development before becoming the weapon we know today. The process of soldier input, input integration and improvement was constant for decades.
Chuck Little / Alamy Stock Photo
Image ID: R8YXGF