Type: BB Rifle. Manufacturer: Umarex. Model: Legends M3 Grease Gun Materials: Mostly All Metal Construction. Weight: 7.7 pounds (3.5 kilograms). Length: 29.8 inches (757mm). Barrel Length: 8 inches (20 cm) smoothbore barrel. Propulsion: Dual CO2 Cartridge. Action: Semi & Full Auto Open Bolt Blowback Ammunition Type: 4.5mm steel BB's. Ammunition Capacity: 60 rounds. FPS: 460fps. Rate of Fire: 1050 The Umarex Legends M3 Grease Gun is yet another great addition to not only the Legends Series of Umarex Airguns but also their Full Auto BB Rifle lineup! I am hoping the 60 round magazine feeds properly as double\ stack 4.5mm BB Rounds don’t always feed as well as Airsoft BB’s do. I guess we will find out when I make my Filed Test Shooting Video… That said the M3 Grease Gun is an excellent Replica of the real steel version with an all metal build and even a true to form open bolt blowback system. I really hope it performs well so I can recommend this Airgun, on first impressions and simply holding and looking around this BB Machine gun I am impressed so far. Read full article here: Buy the Umarex Legends M3 Grease Gun in Canada: https://www.replicaairguns.ca/legends-m3-grease-gun Buy the Umarex Legends M3 Grease Gun in the US: https://www.replicaairguns.us/legends-m3-grease-gun