Description LacuS ClynE 's Model 4 Advanced 1 Urban Grey Version for CS:SourceIntroduction-------------This is my first DIY Skin!I chose to make a M4A1 skin because it is quite easy to do it.This M4A1 features in its frozen grey colour.LacuS ClynE s Model 4 Advanced 1 Urban Grey Version for CS Source Introduction This is my first DIY Skin I chose to make a M4A1 skin because it is quite easy to do it. This M4A1 features in its frozen grey colour. I dun expect you