I bought a new a&k m4 s system and when i shot it the bbs start dropping and losing momentum at around 40 feet. I need to point my gun up so the bbs can travel further. Is this what you guys normally do or is my gun crap? but my gun also has a hop up feature I'm not to sure what its supposed to do. Is the hop up usually on when you get the gun or do you have to enable the hop up feature yourself after you purchase it? Sorry for sounding stupid I don't know anything about airsoft guns lol and the Manuel that came with it only tells me how to put in the battery's and how to charge. Lol so please help?