The BSA 30mm Red Dot is a simple, durable, both-eyes-open optic for fast target acquisition - and this version ships with an integrated dovetail mount. Key Features 30mm tube red dot with multiple brightness settings Includes a dovetail mount for quick installation Unlimited eye relief and parallax-free, both-eyes-open aiming Shockproof, weather-resistant aluminum housing Fitment Includes a dovetail mount.