The fast-shooting Umarex Synergis .22 caliber is stacked with patented, modern airgun innovation and technology. The magazine allows for true low mounting of a scope. With a 10x auto-indexing RapidMag(TM), a smooth TNT gas-piston, and Airflow Boost Technology (ABT), the .22 Synergis will quickly become your go-to airgun pest control and small game hunting rifle. The innovative under-lever RapidMag(TM) and Airflow Boost Technology design advances the magazine for you, ensuring you more trigger time and less reloading time. RSR -