


M4 Screw-in Anti Cantilever Device / Bubble Lever
Vector Optics Bubble Level with M4 Thread for Scope Rings
Improve shooting precision by eliminating rifle cant. The Vector Optics Bubble Level with M4 Thread is a compact and lightweight accessory designed to help shooters maintain a perfectly level rifle position for improved consistency and accuracy. Whether you are shooting at medium or long distances, using a precision airsoft sniper rifle or setting up a tactical DMR platform, this bubble level helps reduce aiming errors caused by rifle tilt.
Designed specifically for scope rings and one-piece mounts with M4 threaded holes, the level installs quickly and securely without requiring complex modifications. Simply thread it into the opposite side of the clamping screw opening on the RIS rail interface of the mount or ring.
Manufactured from durable 6063-T6 aluminum alloy, this precision-machined accessory combines strength, low weight and a clean tactical appearance. At only 7 g, it adds virtually no noticeable weight to your rifle setup.
Key Features
- Improves shooting accuracy by helping eliminate rifle cant.
- Compatible with M4 threaded scope mounts and rings.
- Quick and simple installation on RIS-compatible mounting systems.
- Ultra-lightweight design weighing only 7 g.
- Durable 6063-T6 aluminum construction.
- Matte black finish for a professional tactical appearance.
This accessory is ideal for sniper rifles, DMR builds and precision shooting setups using optics from our red dots and scopes, external parts and airsoft accessories collections.
Why Use a Bubble Level?
Even slight rifle cant can significantly affect shot placement at longer distances. By ensuring the rifle remains level before each shot, the bubble level helps maintain more consistent trajectories and tighter groupings.
Ideal Applications
- Airsoft sniper rifles
- DMR and precision rifle builds
- Long-range target shooting
- Scope ring and mount upgrades
- Tactical optics setups
Package Contents
- Vector Optics Bubble Level with M4 thread
Technical Specifications
| Brand | Vector Optics |
| Product Type | Bubble level for scope rings |
| Compatibility | M4 threaded mounts and rings |
| Material | 6063-T6 aluminum alloy |
| Thread | M4 |
| Length | 26.62 mm |
| Weight | 7 g |
| Finish | Matte black |
| Color | Black |
Original: $8.00
-70%$8.00
$2.40Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Vector Optics Bubble Level with M4 Thread for Scope Rings
Improve shooting precision by eliminating rifle cant. The Vector Optics Bubble Level with M4 Thread is a compact and lightweight accessory designed to help shooters maintain a perfectly level rifle position for improved consistency and accuracy. Whether you are shooting at medium or long distances, using a precision airsoft sniper rifle or setting up a tactical DMR platform, this bubble level helps reduce aiming errors caused by rifle tilt.
Designed specifically for scope rings and one-piece mounts with M4 threaded holes, the level installs quickly and securely without requiring complex modifications. Simply thread it into the opposite side of the clamping screw opening on the RIS rail interface of the mount or ring.
Manufactured from durable 6063-T6 aluminum alloy, this precision-machined accessory combines strength, low weight and a clean tactical appearance. At only 7 g, it adds virtually no noticeable weight to your rifle setup.
Key Features
- Improves shooting accuracy by helping eliminate rifle cant.
- Compatible with M4 threaded scope mounts and rings.
- Quick and simple installation on RIS-compatible mounting systems.
- Ultra-lightweight design weighing only 7 g.
- Durable 6063-T6 aluminum construction.
- Matte black finish for a professional tactical appearance.
This accessory is ideal for sniper rifles, DMR builds and precision shooting setups using optics from our red dots and scopes, external parts and airsoft accessories collections.
Why Use a Bubble Level?
Even slight rifle cant can significantly affect shot placement at longer distances. By ensuring the rifle remains level before each shot, the bubble level helps maintain more consistent trajectories and tighter groupings.
Ideal Applications
- Airsoft sniper rifles
- DMR and precision rifle builds
- Long-range target shooting
- Scope ring and mount upgrades
- Tactical optics setups
Package Contents
- Vector Optics Bubble Level with M4 thread
Technical Specifications
| Brand | Vector Optics |
| Product Type | Bubble level for scope rings |
| Compatibility | M4 threaded mounts and rings |
| Material | 6063-T6 aluminum alloy |
| Thread | M4 |
| Length | 26.62 mm |
| Weight | 7 g |
| Finish | Matte black |
| Color | Black |




















