In this Field Test Review of the Beretta CX4 Storm .177 caliber pellet shooting air rifle I shoot 5 rounds through the Chronograph to get a real world average FPS of this detuned Canadian version. As expected the Beretta CX4 Storm does not get anywhere close the 600 FPS the non-regulated version claims to get and even with fairly light 6.9 grain pellets I got an average of just under 400 FPS, perhaps a little too aggressive with the Canadian regulating of the CO2. I would have liked to have seen much better Feet Per Second performance from the pellet shooting Umarex CX4 Storm. Read full article here: https://www.replicaairguns.com/2011/12/29/umarex-beretta-cx4-storm-field-test-review.html Buy Airsoft Rifles in Canada: https://www.replicaairguns.ca/airsoft-rifles/ Buy Airsoft Rifles in the US: https://www.replicaairguns.us/airsoft-rifles/