Cheap Airsoft Rifle
There actually a few type of rifles in airsoft. First there is the Mini AEG which is the scaled down version of (normally) sub machine guns. Then, there's the full action rifles and sub machine guns like M16 and UZI and AK47 which is famous for field combat. After that, there's also spring single shot rifles which is also suitable as sniper rifle.
Why don't have a look at these few airsoft rifles
Cheap Mini Airsoft Electric Guns (AEG)