I took 18hiltc's "gun being loaded.mp3" file and isolated the whistling sound using RX2. Also brought the level up by 20dB. It almost sounds like a bird in the background.
Link to original file: http://www.freesound.org/people/18hiltc/sounds/182776/
Type
Wave (.wav)
Duration
0:03.317
File size
571.5 KB
Sample rate
44100.0 Hz
Bit depth
16 bit
Channels
Stereo
You are free to share (to copy, distribute and transmit) and to remix (to adapt and modify) as long as you credit the author of the sound. Get attribution text...
920 x 245
481 x 86
375 x 30
