5.56mm M4 CARBINE ⚔️ US Armed Forces [Review]
How to Shoot an AR-15 / M4 Carbine
Shooting M4 Carbine at range in Afghanistan
Colt M4 Carbine & M4 Commando
Military M4 vs High End Civilian AR15
The M4 carbine is a shorter and lighter variant of the M16A2 assault rifle. The M4 is a 5.56×45mm NATO, air-cooled, direct impingement gas-operated, magazine-fed carbine. It has a 14.5 in (370 mm) barrel and a telescoping stock.
Wars and warfare