Benjamin Gunnar PCP Air Rifle .22 Black Adjustable, AR compatible buttstock with 4-way adjustable cheek piece;AR compatible pistol grip;Adjustable regulator;5 position external power adjuster;Shrouded barrel with integrated sound suppression;Available in sizes: .22cal., .25cal.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 3800 Product Group Code: 3800A Inactive: Yes