In this Field Test Shooting Review I put the KWC M40 Extended Barrel CO2 Blowback Airsoft Pistol through my typical Sea Can shooting tests to see what the real world velocity and accuracy are. I made sure i had a brand new 12 gram CO2 in the gun and I used .20 gram plastic Airsoft BB's for the entire test. The temperature was around 17 degrees Celsius which is not too hot or too cold. Read full article here: https://www.replicaairguns.com/2018/6/8/kwc-m40-extended-barrel-co2-blowback-airsoft-pistol-field-test-review