Vortex Crossfire II 4-12×40 AO with Dead-Hold BDC Reticle – Precision Optics for Long-Range Accuracy

Dominate Long-Range Shots with Adjustable Objective Clarity and a Dead-Hold BDC Reticle Built for Accuracy

The Vortex Crossfire II 4-12×40 AO Riflescope with a Dead-Hold BDC Reticle is a high-performance, long-range optic tailored for hunters and marksmen who need pinpoint accuracy across varying distances. Featuring an adjustable objective (AO) to eliminate parallax and fine-tune image focus, this scope is ideal for big game, varmint hunting, and tactical shooting alike.

Product

Engineered for consistency and built to endure harsh environments, the Crossfire II 4-12×40 AO offers the Dead-Hold BDC (Bullet Drop Compensation) reticle, perfect for holdovers at extended ranges where estimating bullet drop becomes crucial. With a 1-inch single-piece aluminum tube, fully multi-coated lenses, and a waterproof/fogproof nitrogen-purged body, this scope offers rugged performance and crystal-clear vision in any weather.

Key Features

• 4–12x Variable Magnification: Adaptable zoom range ideal for mid to long-range shooting precision.

• 40mm Objective Lens: Offers a balance between low-light performance and lightweight portability.

• Dead-Hold BDC MOA Reticle: Minimizes guesswork on windage and elevation at long distances.

• Adjustable Objective (AO): Reduces parallax error and sharpens target image at all ranges.

• Second Focal Plane: Reticle remains the same size throughout the zoom range.

• Fully Multi-Coated Optics: Maximizes light transmission and image clarity.

• Capped Reset Turrets: MOA adjustments that can be re-indexed to zero after sight-in.

• Fast Focus Eyepiece: Quickly and easily adjusts reticle sharpness to the shooter’s eye.

• Rugged Construction: Shockproof, waterproof, and fogproof performance with O-ring sealing and nitrogen gas purging.

• 1-Inch Tube: Aircraft-grade aluminum for optimal durability without added weight.

Specifications

• Magnification: 4–12x

• Objective Lens Diameter: 40mm

• Tube Size: 1 inch

• Reticle: Dead-Hold BDC (MOA)

• Focal Plane: Second

• Eye Relief: 3.9 inches

• Field of View: 24.7–8.4 ft @ 100 yds

• Turret Style: Capped

• Adjustment Graduation: 1/4 MOA

• Max Elevation/Windage Adjustment: 50 MOA

• Parallax Setting: Adjustable (AO)

• Length: 13.6 inches

• Weight: 17.2 oz

Benefits

• Provides tactical accuracy at extended distances with minimal guesswork using the Dead-Hold BDC reticle.

• Enhanced target clarity with adjustable objective to remove parallax distortion.

• Ideal for varmint control, big game hunting, and range shooting.

• Lightweight yet durable design offers easy handling without compromising performance.

• Backed by the Vortex VIP Warranty, offering lifelong, no-questions-asked protection.

Usage Instructions

Mount the scope using compatible 1-inch rings. Adjust the AO dial to match target distance and achieve a parallax-free image. Use the fast-focus eyepiece for reticle clarity. Zero the scope using capped turrets, then re-index for fast adjustments. Use Dead-Hold BDC reticle markers for quick holdovers.

Warranty

Includes the Vortex VIP Warranty – unlimited, unconditional, lifetime coverage. No receipt needed. If it’s damaged or defective, Vortex will repair or replace it—guaranteed.

Get precision on every shot with the Crossfire II 4-12×40 AO—built for shooters who demand accuracy, clarity, and durability at any range.