Pick up more than history when you pick up the full-auto Umarex Legends M1A1! Not only is this one of the coolest historical replicas done, it feels right, it looks right, and is guaranteed to be a crowd-pleaser. This open-bolt wonder features a 30 round magazine that houses (2) 12-gram CO2 cartridges and is equipped with sling mounts for your favorite historical sling.Specifications and Features: 30 Round Magazine Drop Free High Capacity Magazine CO2 Housed in the Magazine Classic 1911 A1 Styling .177 Steel BB Carbine Full Metal Frame Open Bolt Style Action Blowback Action Powered by 2x12g CO2 capsules