Might want to try shooting at pop cans with your airsoft pistol to improve your shooting skill.
Here a link to a Utube video:
YouTube - Point Shooting at Aerials
If you turn up the volume, you can heard the 'cronnk' sound of the hits made as the gun is pointed and the trigger pulled. There are 7 out of 7 hits in the video. The distance was about 12 feet.
Here's a pic of the gun used. Not pretty but gets the job done.
And here's one of a recently acquired and modified rig.
