The CM040 is a very accurate recration of the real gun. This airsoft rifle features a full metal body, metal barrel, metal folding stock, and metal version 3 gearbox. It comes with a 400 round high capacity magazine, battery, and battery charger. The gun does come with the mounting plate built into the side, so you can easily add at rail mount to the gun and add optics and accessories. This powerful airsoft rifles shoots at 400 FPS right out of the box. If you're looking for a great AKS rifle for a low price this is an excellent choice!