Camouflaging Your Gun
Painting your rifle is an easy DIY project that makes for a great off-season activity. Spray painting a gun is virtually impossible to foul up for the simple reason that there’s no such thing as a right or wrong way to camo a gun. From the article "DIY: Camouflaging Your Gun."
Notice that I "stripe" the red-brown in lines that are not parallel. The idea is to break up the shape of the rifle.