The Ultradot 6 was built at the request of our loyal customers who wanted an Ultradot for their Assault Rifle too. It had to be versatile rugged in its construction and appearance have a greater field of view precision adjustments and on the fly bullet drop compensation. The end result is the Ultradot 6. The first Tactical styled sight in Ultradot's history. Here are some of its features: - Four Dot Sizes - 246 & 8 MOA - Two Reticle Patterns - For added versatility - Bullet Drop Compensation - Precision 1/2 MOA per click W/E Adjustment - 30mm Tube / 37mm Objective - All Black Matte Finish - Tube Diameter: 30mm - Field of View: Unlimited - Windage/Elevation Adjustments: 1/2 MOA per click - Dot Size: 2 4 6 8 MOA / 2 Reticles - Dot Brightness Adjustment: 11 Settings / Click - Length: 5.1 Inches - Battery: 3v Lithium CR2032 - Battery Life: 20 - 4000 Hours - Weight: 5.3oz - Parallax Free @ 50m