A&K S-System Spec Ops M4 Full Metal Airsoft Rifle Review by Kristofer Brozio • August 14, 2007 A&K S-System Spec Ops M4 Full Metal Airsoft Rifle Review This is my rifle. There are many like it, but this one is mine… Airsoft has become wildly popular pretty much everywhere in the world, it’s almost as popular as…Read more