Product Overview
The Rear Sight Assembly (model 940000542) is a premium, black‑finished rear sight designed specifically for firearms equipped with a 6‑8 3/8" barrel. Featuring a precise .146'' (3.71 mm) aperture and a non‑safety (N/S) design, this sight delivers unparalleled accuracy, rapid target acquisition, and durable performance in demanding shooting environments.
Key Features & Benefits
- Exact .146'' Aperture: Optimized for fast sight picture and exceptional precision at short to medium ranges.
- Non‑Safety (N/S) Design: Allows for quick alignment without additional safety mechanisms, ideal for competitive and tactical shooting.
- Robust Black Finish: Corrosion‑resistant coating provides a sleek, low‑glare appearance and long‑lasting durability.
- Perfect Barrel Compatibility: Engineered to mount seamlessly on 6‑8 3/8" barrels, ensuring a secure fit and consistent alignment.
- Lightweight Construction: Reduces overall firearm weight while maintaining structural integrity.
- Easy Installation: Designed for straightforward mounting with standard tools and minimal modifications.
- Enhanced Durability: Heat‑treated steel components resist wear from high‑velocity rounds and harsh weather conditions.
Technical Specifications
| Specification | Detail |
|---|
| Product Name | Rear Sight Assembly |
| Model Number | 940000542 |
| Rear Aperture Size | .146 inches (3.71 mm) |
| Finish | Black, corrosion‑resistant coating |
| Barrel Compatibility | 6‑8 3/8" barrel |
| Design Type | Non‑Safety (N/S) |
| Material | Heat‑treated steel |
| Weight | Approximately 0.45 lb (0.20 kg) |
| Installation | Threaded mount – standard tools required |
| Intended Use | Rifles, precision shooting, tactical applications |
Why Choose This Rear Sight Assembly?
Whether you are a competitive shooter, a tactical professional, or an avid hunter, the Rear Sight Assembly .146'' N/S Black offers the performance edge you need:
- Improved Accuracy: The .146'' aperture provides a clear, focused sight picture, reducing eye strain and enhancing shot placement.
- Rapid Target Acquisition: The open design minimizes visual obstruction, allowing for faster sight alignment.
- Reliability Under Fire: Engineered with heat‑treated steel, it withstands high‑round volumes without deformation.
- Low Maintenance: The black coating resists rust and fouling, requiring only periodic cleaning.
- Versatile Application: Perfect for both civilian sport shooting and professional law‑enforcement or military use.
Installation Guide
Follow these simple steps to install your rear sight assembly quickly and safely:
- 1. Ensure the firearm is unloaded and the barrel is clean.
- 2. Align the threaded portion of the sight with the barrel’s rear sight slot.
- 3. Hand‑tighten the sight to position it correctly.
- 4. Use a torque wrench (if available) to secure the sight at the manufacturer‑recommended torque setting (usually 12–15 Nm).
- 5. Verify proper alignment by zeroing the rifle at your preferred distance.
- 6. Perform a functional test to confirm smooth operation and consistent sight picture.
For best results, consult your firearm’s manual for specific mounting instructions and safety precautions.
Compatibility & Fit
This rear sight assembly is specifically engineered for rifles featuring a 6‑8 3/8" barrel. It fits a wide range of popular platforms, including but not limited to:
- AR‑15 style rifles
- Remington Model 700 variants
- Winchester Model 70 series
- Custom builds with compatible barrel dimensions
Always verify barrel specifications before purchase to ensure a perfect fit.
Frequently Asked Questions
Q: Is this rear sight compatible with night vision devices?
A: The non‑safety (N/S) design does not incorporate tritium or fiber‑optic inserts, but the aperture can be paired with compatible night vision or low‑light optics for enhanced visibility.
Q: Can I replace the aperture size?
A: The .146'' aperture is fixed for optimal performance. If a different size is required, consider an alternative sight model designed for that aperture.
Q: How does the black coating hold up in extreme environments?
A: The coating is a high‑grade, corrosion‑resistant finish that maintains its appearance and integrity in moisture, sand, and temperature extremes.
Q: Do I need any special tools for installation?
A: Standard hand tools (wrench or socket set) are sufficient. A torque wrench is recommended for precise tightening.
