"Sweet Series Scopes: This family uses trajectory compensation technology that was originally designed for the military sniper. However these hot new scopes are catching on Fast with Varmint and Target hunters. They feature a quick change turret system specially calibrated for multiple grain weights for the calibers: .17HMR, .22LR, .223, .243, .270, .30-06. The main features of the Sweet 22 are their ability to compensate for bullet trajectory by specific grain weight. The elevation drum will compensate for .22 cal grain weights of 36, 38, and 40. The Windage and Elevation turrets have zero reset with ""Allen"" screw. Each model in the Sweet 22 Series have an adjustable side parallax setting of 7.5 to infinity. (With the exception of the model S22-618x40SP which is 10 to infinity)|Calibrated for the .22 LR.|Side Parallax Focus .|Fully Multi-coated optics.|Limited Lifetime Warranty.|Export of this product outside of the United States of America is not allowed and is controlled by the US Department of State"