3-10x40 Gameseeker 30 PP Riflescope Optical Performance: PentaBright Technology: fully multicoated optics deliver a clear, sharp, bright sight picture Main-tube Construction: 30 mm one-piece aluminum construction Construction: Nitrogen filled for waterproof/fogproof performance High turrets with 1/4 MOA windage and elevation correction for easy and accurate adjustment Precision Plex Reticle: Four thin posts with fine cross hairs with clearly marked bullet drop compensation hash-marks