The Star M60E4 is a beast of a gun, made from aluminum, steel and some nylon fiber. Yet, it remains a perfectly usable AEG, as it keeps a reasonable weight despite its size and metal construction. The body, outer barrel and flash hider are all made from aluminum. It comes with an adjustable 3 step bipod and a 4000 round magazine, which features a newly designed direct fill up to the gearbox system - no more BB running. A dummy 7.62mm cartridge belt is also provided (made of plastic), that adds a nice touch. In some competitions I have seen that the heavy machine's minimum weight limit is five kilograms. It weighs 4600 grams in its empty form. It has 4000 BB capacity! WOW! As such, it will easily exceed 5000 grams. So you can easily use it in competitions with rules. With its high ROF resistant gearbox and 4000 BB capacity magazine, it is a complete shooting monster! Absolutely crazy! There is no single shot mode! I think realism is very important. It has Quick Barrel Change System. There is no 20 mm rail on it. But I think you will not need to aim while shooting. You can shoot like a tree sapling with a hose: D not kidding! I really saw those who did this with my eyes. It's a very durable weapon. The bullets that appear from the outside also added a lot of realism. My personal score is 4.5. If you are 1.8 meters tall and the mp5 feels like a pistol, this weapon may be a suitable match for you. You can finish the whole day without reloading. If you want firepower, you have to search better. Because this is the fastest !