40MM scope ring 360-Degree Bubble Level SBR-40

Overview

The EVC/LEVEL Anti-Cant System is designed to eliminate cant error in long-range shooting by ensuring the rifle remains perfectly vertical before the shot is taken. This precision tool helps improve accuracy by providing a clear and reliable vertical reference.

The suspended bubble level features a reflective platform that enhances light refraction, improving visibility in low-light and harsh outdoor conditions. This ensures fast and clear visual confirmation of rifle alignment in any environment.

Functions

• Vertical Accuracy
  Helps maintain a perfectly vertical rifle position, reducing cant-induced point-of-impact errors at long range.

• 360° Rotating Design
  The bubble level rotates 360° with four indexed stop positions to accommodate different shooting positions and preferences.

• Universal Compatibility
  Fits 40 mm scope tubes and is compatible with rifles of any caliber.

• High-Visibility Bubble Level
  Designed for clear visibility in varied lighting conditions.

• Durable Construction
  CNC-machined from 6061 aluminum and finished with black anodizing for strength and long-term durability.

• Customizable Bubble Colors
  Includes six interchangeable bubble level colors: clear, yellow, green, red, blue, and black.

• Our Angle Indicator can be mounted on either side of the ring using the M4 mounting holes.

Package Includes

• 1 × 40 mm Scope Ring with 360° Bubble Level

• 6 × Bubble Level Inserts: Clear, Yellow, Green, Red, Blue, Black

• 1 × Allen Key

• 2 × O-Rings

Specifications

• Weight: 44 g

• Material: 6061 Aluminum

• Finish: Black Anodized

• Mounting Size: 40 mm Scope Tube

Installation Instructions

1. Attach the Mount
   Position the anti-cant system on the scope tube at the desired location for optimal visibility.

2. Secure the Mount
   Use the supplied Allen key to tighten the two mounting screws. Do not over-tighten.
   Maximum screw torque: 8.0–10.6 inch-pounds (0.9–1.2 N·m).

3. Install the Bubble Level Insert
   Select the preferred bubble color. Slide it into the housing, install the O-ring, and tighten the screw cap to secure it.

4. Adjust and Test
   Rotate the system to confirm visibility and alignment. Adjust positioning as needed for a clear view during shooting.

The EVC/LEVEL Anti-Cant System provides a reliable solution for maintaining vertical rifle alignment in long-range shooting. With its adjustable orientation, interchangeable bubble colors, and durable construction, it is a practical upgrade for shooters focused on precision and consistency.