Noise is a big concern for most people wanting a pellet gun and for good reason…we don’t want our neighbors to freak out when we’re shooting in the backyard!
OK…here’s a real quiet CO2 pellet gun (750 fps) from Umarex….The Umarex Fusion. If you’re interested in buying one, here is a link…Umarex Fusion .177 CO2 Pellet Gun at Amazon.com
Here is a video review that will demonstrate the noise level of the Umarex Fusion CO2 pellet gun. It is very QUIET (90 db), even though the velocity is 750 fps.