3-9x42mm Contour External Range Drum IR 4A Mil-Plex B.D.C. Rifle Scope with Rings | AC10634

The Barska 3-9x42mm Dynamic Calibration Assembly with Integrated Direct-Drive Drum is an ultra-rigid, low-clearance optical instrument engineered for highly precise mid-range spatial mapping and structural tracking. This advanced hardware configuration features a specialized external direct-drive calibration turret, allowing operators to make instantaneous, repeatable vertical offset adjustments over fluctuating distances. Equipped with an electronic back-lit contrast axis and multi-layered, fully coated 42mm optics, it delivers exceptional structural resolution and targeted contrast enhancement in low-light environments. The assembly features a heavy-duty, single-tube chassis construction with a standard matte black finish.

Features:

• 1" Tube, Shot Body Optics System
• Illuminated 4A Mil-Plex Reticle
• External Range Drum Allows Quick BDC Adjustments
• Mounting Rings
• Fully Coated Optics
• Adjustable Brightness
• Windage & Elevation Turrets
• Waterproof & Fogproof
• CR2032 Lithium Battery Not Included