Lens protectors and killflash anti-reflection devices are accessories designed to protect airsoft optics and improve usability during gameplay. In airsoft they are particularly useful because a direct BB impact can easily crack or destroy the lens of a sight.

Lens protectors act as a physical barrier placed in front of the optic. They are typically made from impact-resistant polycarbonate or similar materials that stop BB impacts before they reach the optic lens. This can help prevent damage to expensive red dot sights or rifle scopes.

A killflash, also known as an anti-reflection device (ARD), is a honeycomb-style filter mounted on the front of an optic. Its purpose is to reduce lens glare and reflections that could otherwise reveal the user’s position in bright lighting conditions.

In airsoft use, killflash devices also provide a degree of protection for the optic lens, although their primary purpose is to reduce reflections rather than act as a full impact shield.

This category includes lens protectors and killflash devices designed for various optics such as red dot sights and rifle scopes. They offer a simple and affordable way to protect optics and keep them functional during demanding airsoft gameplay.