The Bushnell Tac Optics Big D(ot) features a MASSIVE 37mm objective, which delivers bright images and an unrivaled field of view in the red dot market.

．Black with 3 MOA Dot reticle
．Waterproof Construction - O-ring sealed optics stay dry inside, even when totally immersed in water.
．Shockproof construction - Built to withstand bumps, bangs, drops and the rough-and-tumble environment of the field.
．Nitrogen Purged Fog-Proofing - Nitrogen inside the scope ensures interior optical surfaces won’t fog due to humidity or rapid temperature change.