HOLOSUN ARO RED 2 MOAThe Holosun ARO Red 2 MOA is a rugged enclosed rifle sight with a 2 MOA red dot reticle. Its Solar Failsafe ensures functionality during battery failure, while Shake Awake technology activates the reticle with motion. The IPX8 rated 6061 aluminum housing withstands harsh conditions, and the 26mm objective lens provides a clear view. Includes a CR2032 battery (50,000 hours) and lower 1 3 co witness mount. Features 50 MOA adjustments, 12 brightness