The Sightron SI Hunter Rimfire Rifle Scope 3-9x 32mm is the perfect companion for your rimfire hunting rifle. Round knurled dials with positive audible clicks provide quick and easy adjustment in the field. Fully multi-coated lenses employ coatings on both surfaces of lens glass to provide the maximum optical quality and light transmission. Nitrogen filled to provide a lifetime of water and fog proof use. FeaturesLow profile hunting turretsFully multi-coated lensesLifetime warranty