The M4/M4A1 5.56mm Carbine is a lightweight ... It is now the standard issue firearm for most units in the U.S. military. Equipped with a shorter barrel, collapsible stock and detachable carrying ...

While insurgent forces and militias favor the AK-47, professional armies lean toward the M4’s technological edge. With Ukraine adopting NATO-standard weapons, its shift to the M4 signifies a deeper ...