As far as intermediate-caliber assault rifles go, the M16/M4 is an excellent rifle. The design is small and rather lightweight. It’s cheap to produce and surprisingly accurate for a military rifle.

223 Remington caliber M16 rifle, AKA the “Mattel.” I first read this slang term for the weapon in the novel The Short-Timers by Gustav Hasford, which in turn served as the basis for the ...