Help
Do you mean to make the model look less "boxy" ? 
Check out these tutorials, you would really need to only see the first part of it, it is basically using tools such as bevel, and chamfer edge.
http://fortresshalo.com/sonictag/AK47Part1.rar
http://fortresshalo.com/sonictag/AK47Part2.rar
http://fortresshalo.com/sonictag/AK47Part3.rar
http://fortresshalo.com/sonictag/AK47Part4.rar
			
			
									
									
						Check out these tutorials, you would really need to only see the first part of it, it is basically using tools such as bevel, and chamfer edge.
http://fortresshalo.com/sonictag/AK47Part1.rar
http://fortresshalo.com/sonictag/AK47Part2.rar
http://fortresshalo.com/sonictag/AK47Part3.rar
http://fortresshalo.com/sonictag/AK47Part4.rar