The Lyman 66 Receiver Sight delivers improved accuracy for hunting rifles and alongside its proven versatility, mounts on flat receivers such as lever-action rifles like the Winchester 94 and Marlin 336, as well as modern shotguns, with a model available for the SKS. This receiver sight features 1/4 minute audible click micrometer adjustments for elevation and windage, enabling precise dialing to your chosen range, while quick-release slide coin-slotted stayset knobs provide fast, secure adjustments on the fly. Included are two interchangeable aperture discsa large hunting aperture for low-light or rapid engagement and a small target aperture for precision shootinggiving you the flexibility to adapt to any shooting condition. Built to complement classic and modern firearms alike, the 66 sight enhances aiming ergonomics without altering the rifles profile, allowing a clean, natural sight picture that can be relied upon in the field or at the range. Lymans commitment to quality optics and durable construction ensures consistent performance when accuracy counts most.