The Stoeger ATAC Suppressor .177 Cal. Air Rifle Combo with 4-16 x 40mm Mil-Dot Reticle Scope features up to 1200 Fps with alloy pellets. This high-tech performance air rifle with AFC (airflow control) and dual-stage noise reduction system makes for one quiet air gun. The Gas-Ram system provides the shooter with less vibration resulting in maximum accuracy potential. Built-in Picatinny rails allow fast and easy mounting of lasers, lights, bipods and sling studs. The Stoeger ATAC Suppressor .177 Cal. Air Rifle with optional rear sling attachment features a removable buttstock spacer for adjustable length of pull. This high-quality Stoeger air rifle was designed for short-range target practice and small game hunting.