VO M4 Screw-in Anti Cantilever Device - Black

Bubble Level with M4 Thread for Scope Rings

Looking to eliminate rifle cant while shooting? Want to improve your accuracy at medium and long distances? Need a useful aid for your airsoft sniper rifle so your BBs fly straighter? This bubble level from Vector Optics is the right choice. It is designed for scope rings and one-piece mounts equipped with M4 threaded holes. With this accessory, you can easily enhance your shooting precision by removing aiming errors caused by rifle tilt. Installation is quick and simple — just screw the level into the second side of the clamping screw port on the RIS rail interface of the ring or mount. With a weight of only 7 g, it adds virtually no bulk to your setup. Made from 6063-T6 aluminum alloy, it offers durability and long service life, making it an ideal upgrade for anyone who wants a practical and reliable accessory to boost shooting performance.

Example of a properly centered bubble (middle of the black line)

Key Features

• Improved accuracy
  Helps monitor rifle cant and enhances precision.
  
  
• Compatibility
  Designed for mounts and rings with M4 threads.
  
  
• Easy installation
  Installs by threading into the opposite side of the clamp screw opening on a RIS interface.
  
  
• Durable material
  Constructed from high-quality 6063-T6 aluminum alloy.
  
  
• Lightweight
  Weighs only 7 g, adding no unnecessary load.

Technical Specifications

• Length: 26.62 mm
• Material: 6063-T6 aluminum alloy
• Weight: 7 g
• Thread: M4
• Finish: Matte black

Package Contents

• Bubble level with M4 thread