BSA Special Series 4x32mm Rifle Scope with 30/30 Duplex Reticle and 50-Yard Parallax Clam Pack: * Features: * Includes 3/8" rail rings * Coin-adjustable turret * Fogproof, shockproof, waterproof * Eye relief: 3" * Magnification: 4x * Object lens diameter: 32mm * Field of vision at 100 yds: 26 * Parallax setting: 50 yds * Click adjustment value: 1/4 * Adjustment range: 40-40 * Weight: 9 oz * Dimensions: 13.3"L x 2.7"W x 5.5"H * Model# S4X32WRCP