The Airforce 4X 32mm Airgun Scope is built for the serious airgunner in mind. Comes with fully multi coated optics for maximum light transmission, covered knobs with crisp quarter-minute clicks, duplex reticle and heavy construction for use on PCP and Spring guns. Comes with see through slip over lens covers. FeaturesNitrogen FilledShock proofFog proofWater proofFully coated lensesHeavy construction for use on PCP and Spring guns.