FIRST OF ALL I LIKE HOW THIS GUN IS FULL METAL EXCEPT FOR MAYBE THE STOCK AND MAYBE THE PEQ BOX AND I THINK THATS IT THE REST OF THE BODY IS FULL METAL AND IT WILL BE MORE ACCURATE THAN MOST OTHER M4S BECAUSE THIS GUN COMES WITH A FULL METAL TIGHTBORE BARREL AND ITS CAPABLE OF 6MM PAINT-BALLS BUT I WOULD NOT RECOMMEND USING IT AT ALL IT ALSO HAS AN EXTREMELY RATE OF FIRE 900-1200 BBS PER MINUTE!!!!! WHICH IS EQUAL TO 15-20BBS PER SECOND! IMAGEN TWENTY BBS HITTING U EVERY SECOND GOING ALMOST 400FPS I WOULD HIGHLY RECOMMEND THIS GUN IM GETTING THIS GUN BUT I DONT HAVE ENOUGH MONEY YET IM GETTING THE GUN A SPEED LOADER, A SMART CHARGER, AND A RED/GREEN DOT SCOPE TOTAL IS $218.81 AND IF THERE WAS ONE THING I WOULD CHANGE IS TO HAVE THE BATTERY INSIDE THE FRONT GRIP OR IN A CRANE STOCK SO GET THIS GUN!!!!!!!!