The built-in regulator delivers minimal FPS variation from shot-to-shot for long, flat shot strings. This translates directly into outstanding accuracy for hunting, Field Target competition and just-for-fun plinking. Use a 4500 psi high pressure hand pump, like the Umarex SuperFill hand pump, to put air into the rifle.Electric compressors that pump 3000 to 4500 psi are also available. In addition to this amazing rifle you get the the scope as well. This allows you to take advantage of the rifles full range and accuracy, this is a must have add-on! To top it off, you will receive a carrying case that holds the rifle and the scope. This allows you to transport the rifle safely and easily as it has a soft foam interior and a strong outer shell. 4 durable latches ensures the case will not open accidentally. This was a gift for my son but he did not take to the sport. This item is in the category "Sporting Goods\Outdoor Sports\Air Guns & Slingshots\Air Rifles". The seller is "myvacuum-deals" and is located in this country: US. This item can be shipped to United States.