Description
The Sightron SI 4-12×40 AO Rifle Scope delivers exceptional optical clarity and precise adjustability for hunters and target shooters alike. Featuring a variable 4-12x magnification range and a 40mm objective lens, this scope provides a generous field of view of 36.5 feet at 4x down to 13.5 feet at 12x per 100 yards, giving you the versatility to engage targets at a wide range of distances. The adjustable objective (AO) parallax system allows for sharp, parallax-free images from close range out to long distance, making it an ideal choice for everything from varmint hunting to precision rifle shooting.
Built on a sturdy 1-inch maintube and finished in a durable matte black coating, the Sightron SI series is engineered for reliability in the field. The G2 Duplex reticle offers a clean, intuitive aiming point that draws your eye naturally to the target. Weighing just 16.2 ounces and measuring 12.1 inches in length, this scope strikes an excellent balance between performance and portability without adding unnecessary bulk to your rifle setup.
Key Features:
• Magnification: 4-12x
• Objective Lens Diameter: 40mm
• Tube Diameter: 1 inch
• Reticle: G2 Duplex
• Field of View at 100 Yards: 36.5–13.5 ft
• Adjustable Objective (AO) Parallax
• Finish: Matte Black
• Weight: 16.2 oz
• Length: 12.1 inches
Order the Sightron SI 4-12×40 AO online today at VanTon Arms and take advantage of our competitive pricing and fast nationwide shipping. Whether you’re a seasoned shooter or building out a new rifle platform, this scope delivers trusted Sightron quality at an outstanding value.







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