|Country of Origin: United States|
|Weapon Type: Select-Fire Assault Rifle|
|Fire Modes: |
|Ammunition: 5.56×45mm NATO|
|Feeding System: 30-45 Round Magazine|
|Affiliation(s): Aeran Pierce|
The Colt M4A1 Carbine is a select-fire assault rifle/carbine designed and developed in the United States. It is the standard issued armament seen in BlackSite: Area 51.
As the game begins, the player through the eyes of Aeran Pierce is issued an M4A1 Carbine with a holographic sight and handguard mounted picatinny rail system for various accessories. It also comes equipped with a holographic sight and dual magazine system housing a maximum of 45 rounds of the 5.56×45mm NATO ammunition.