This killflash by Angry Gun is designed for the Angry Gun AG2000 red dot optic. CNC machined using high-quality aluminum and topped off with a durable anodized finish, it is built to be durable and robust, while maintaining a lightweight profile. The killflash is designed to reduce glare, especially when it is very sunny and bright. The killflash also doubles as a viable lens protector, ensuring that your AG2000 will last throughout any skirmish. It is a simple drop-in installation and does not require modifications to ensure proper fitment.