Vector Optics Screw-in Anti Cantilever Device – Compact Bubble Level for M4 Mounts
The Vector Optics Screw-in Anti Cantilever Device (SCACD-22) is a compact and lightweight anti-cant tool designed to ensure your rifle remains level during precision shooting. This screw-in bubble level is engineered for scope mounts and rings that accept M4 screw threads, making it a seamless add-on for many tactical and long-range shooting platforms. With its ultra-low profile and robust construction, this device helps eliminate canting errors and boosts your accuracy, especially when shooting at extended distances.
Key Features
- Precision Anti-Cant Function: The integrated air bubble vial provides instant visual feedback to help you keep the rifle perfectly level during shooting.
- Ultra-Lightweight: Weighing just 7 grams (0.25 oz), it adds virtually no weight to your setup while enhancing stability and performance.
- Aircraft-Grade Construction: CNC-machined from 6063 T6 aluminum alloy for exceptional strength-to-weight ratio and field durability.
- Flush Mounting: Designed to screw directly into M4-compatible rings or mounts, staying out of the way with no protrusion or interference.
- Matte Black Finish: Anti-reflective surface resists scratches and glare for a tactical, low-visibility appearance.
Real-World Applications
- Long-Range Precision Shooting: Prevents unintentional cant that could cause significant point-of-impact shifts at extended distances.
- PRS and Benchrest Competitions: Helps maintain consistent shot alignment under match pressure.
- Hunting in Varied Terrain: Maintains level aim from uneven ground, tree stands, or improvised shooting positions.
Mechanical Design & Installation
- Length: Compact 26.62 mm (1.04 in) overall length ensures non-intrusive design.
- Screw Diameter: M4 thread size (5 mm / 0.20 in) for universal fit in compatible rings and mounts.
- Installation: Simple screw-in installation with snug, vibration-resistant fit.
- Bubble Level Visibility: Easy to read in peripheral view without obstructing your sight picture.
Technical Specifications
| Characteristic |
Specification |
| Model |
SCACD-22 |
| Length |
26.62 mm / 1.04 in |
| Screw Diameter |
5 mm / 0.20 in (M4 thread) |
| Material |
6063 T6 Aluminum Alloy |
| Weight |
7 g / 0.25 oz |
| Finish |
Matte Black Anodized |
| Compatibility |
Mounts and Rings with M4 Screw Holes |
| Function |
Bubble Level for Anti-Cant Correction |
Summary
The Vector Optics Screw-in Anti Cantilever Device is an essential accessory for shooters aiming for extreme precision. Its lightweight aluminum build, easy integration into M4-compatible mounts, and quick-read bubble level make it a must-have for long-range, PRS, and tactical rifle setups. Whether you're competing or hunting, this device helps you stay level and shoot with confidence.
