Weaver Classic Gloss Black Handgun Scope (4 x 28 with Dual-X Reticle) Fully multi-coated lenses for optimum edge-to-edge clarity Nitrogen purged tubes to eliminate internal fogging 1", one-piece construction that is waterproof, fogproof, and shockproof Torture-tested to withstand the most powerful handgun calibers Set for 50-yard parallax