Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source technology. Featuring state of the art graphics, all new sounds, and introducing physics, Counter-Strike: Source is a must-have for every action gamer. Game updates since mid 2010 are done by Hidden Path Entertainment.
This is the modified version of M4A1 with reliable accuracy and can be used in many situations. The silencer is attached by default (akin to Global Offensive's M4A1-S) and can be removed at will.