Colt Expanse CE2000S Complete Specs and Full Gun Specifications

The Colt Firearms Expanse M4 is a reliable, versatile AR style carbine from one of the oldest and most trusted names in ARs. It features quality components at an affordable price, including mil-spec aluminum upper and lower receivers, 16.1-inch barrel with A2-style front sight, optic or iron sight ready receiver and an adjustable stock. This no frills rifle is a great choice for those planning to customize their AR, or who prefer to keep things simple.