Brownells 3/8" x 0.125" Twilight Aperture Peep Fits Williams 5D/Target Foolproof, Gold

The brass ring component is engineered to augment visibility in low-light conditions by effectively gathering ambient light. This enhancement is specifically designed to integrate seamlessly with the peep sight, ensuring optimal performance in suboptimal lighting environments. The component is compatible exclusively with Foolproof, target Foolproof and 5D sight models, providing a tailored fit that maintains the integrity and precision of the sighting system. The use of brass not only contributes to the light-gathering capability but also ensures durability and resistance to environmental factors, making it a reliable addition to your sighting equipment.