TRUGLO TruBrite 30 Hunter 30mm Compact Shotgun/Rifle Scope, 1-4 x 24mm 1-4X magnification for fast target acquisition; 30mm tube for increased brightness and click adjustments Large exit pupil and generous 3.75" eye relief for a bright image; fully-coated lenses provide maximum brightness, clarity, and contrast Durable leaf spring click adjustments for windage and elevation; water-resistant, fogproof, nitrogen gas-filled Extremely wide field of view; 1/2-MOA windage/elevation adjustments Weaver-style rings included; bright 24mm ojective