How the US Army refined its battle-tested, controversial M4 Carbine for modern combat

Tech Insider
A close up shot of a US Marine firing an M4A1 carbine
A US Marine fires an M4A1 carbine at a live-fire training in Barira, Philippines.

US Marine Corps photo by Sgt. Shaina Jupiter

The story behind North Korea's wacky homegrown version of the AK-74 rifle

Tech Insider
North Korea troops soldiers military parade
North Korean troops march during a military parade in Pyongyang in January 2021.

KCNA via REUTERS

Here's how the polarizing M16 or AR-15 rifle went from a symbol of America's lost war in Vietnam to being owned by about 16 million Americans in 70 years

Tech Insider : Politics
Reporter Betsy Halstead stands on the bed of a truck holding an M16 automatic rifle
Reporter Betsy Halstead learns how to fire an M16 automatic rifle during the Vietnam War in 1965.

Bettmann/Getty Images

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