Amazing! That's typically the first response when somebody shoots the M712 on full auto with the blowback providing a highly realistic experience. This distinctive and unusual all metal "broom handle" German replica is a piece of history that grabs everyone's attention when you first bring it out at your range or airgun recreational area. CO2 powers the gun and is stored in the removable magazine. It includes a manual safety, fixed front sight, and an adjustable rear sight.FeaturesFull auto/semi-auto blowback actionDistinctive German replicaFull metalCO2 housed in the drop free magazineAdjustable rear sight for elevationFixed front sightManual safety