There are different models of bb guns in the market. So when it comes to buying a bb gun it is difficult to focus on a particular bb gun. There are several brands of bb guns and each brand offers various models. Hence it is not possible to pinpoint a particular gun. More the prices of these bb guns also vary. It is always possible to buy bb guns on a wide range of prices. The price of a bb gun goes down as low as 15 dollar. But at the same time the price of a bb gun may be as high as 500 dollars.
So it is always up to you as to what amount you want to spend on this gun. Low priced guns are of course not as powerful as the high power bb guns. There are different mechanisms by which bb guns are operated. It is based on three different mechanisms which are broadly categorized in spring, gas and electric. But the latter two further subdivided in to different categories. In other words gas and electric bb guns are available in different categories that are called automatic and semi automatic. Low priced guns tend to suffer from jams frequently even they are electric bb guns or gas bb guns.
Cheap bb guns fire less accurate and break more easily. Therefore playing with cheap bb guns is not safe. It may do more harm than good. But in comparison to spring loaded bb guns electric and gas bb guns are safe. That is why those who are regular player always prefer electric bb gun to spring bb gun. While buying a bb gun there are few things that need to be considered. First, bb guns with higher rate of fire are always good. Playing with a gun that has high rate of fire is therefore always considered good.
These guns do not take time in stopping and re-cocking. These qualities are found in gas and electric bb guns. There are well known for better functioning. But if you wish to buy better functioning bb guns you will have to pay more as they are high priced guns. These guns have high muzzle velocity. On the other hand motor in cheap guns are weaker and therefore they are not as powerful as expensive bb guns. But the point to be noted is that different types of bb guns are used for different purposes.