50ae Co2 Is The Kwc Desert Eagle Co2 Loud Like Some One Can Hear It Loud 20ft Away?

Is the kwc desert eagle co2 loud like some one can hear it loud 20ft away? - 50ae co2

KWC Desert Eagle CO2 .50 AE Airsoft GBB METAL Pistol FS


and also the amount of shots to get out of the CO2 cylinder of this weapon?