Lyman 66 Peep Sight

3 min read 05-02-2025

Lyman 66 Peep Sight

The Lyman 66 peep sight is a classic and highly regarded aiming device for rifles and shotguns, particularly popular among traditional and competitive shooters. Its simple design and reliable performance have made it a staple for decades. This guide delves into the Lyman 66 peep sight, exploring its features, benefits, installation, adjustments, and overall value. We'll cover everything you need to know to determine if the Lyman 66 is the right peep sight for your firearm.

Understanding the Lyman 66 Peep Sight

The Lyman 66 is a rear sight that replaces your firearm's existing rear sight. It's known for its robust construction, typically made from durable steel, and its adjustable aperture. This adjustability allows you to customize the size of the peephole to suit your shooting style and the lighting conditions. The key features include:

  • Adjustable Aperture: The size of the peephole can be altered, impacting target acquisition and precision.
  • Windage Adjustment: Allows for horizontal adjustments to correct for point of impact.
  • Elevation Adjustment: Enables vertical adjustments to compensate for different ranges and ammunition.
  • Durable Construction: Typically made of steel for longevity and resilience.
  • Ease of Installation: Generally straightforward to install, often requiring minimal tools.

Why Choose a Lyman 66?

Many shooters prefer peep sights like the Lyman 66 due to several advantages:

  • Improved Accuracy: The peep sight's design promotes a more natural and consistent sight picture, leading to increased accuracy. The smaller aperture helps to focus on the front sight, minimizing distractions.
  • Faster Target Acquisition: The clear sight picture allows for quicker target acquisition compared to other sighting systems.
  • Superior Clarity: The aperture provides a clear and well-defined sight picture, especially in low-light conditions.
  • Durability: Built to withstand the rigors of use and harsh conditions.
  • Cost-Effectiveness: The Lyman 66 provides exceptional value for its price point.

Installing the Lyman 66 Peep Sight

Installation varies slightly depending on your specific firearm model, but generally follows these steps:

  1. Preparation: Carefully read the manufacturer's instructions. Gather necessary tools (usually a screwdriver). Ensure your firearm is unloaded.
  2. Removal of Existing Rear Sight: Remove your firearm's existing rear sight using the appropriate tools.
  3. Mounting the Lyman 66: Securely mount the Lyman 66 peep sight onto the receiver according to the provided instructions. Ensure it's firmly attached.
  4. Verification: Double-check the installation to ensure it is secure and correctly aligned.

Troubleshooting Installation Issues

Common installation problems include:

  • Improper Alignment: Ensure the peep sight is correctly aligned with your front sight before tightening.
  • Loose Screws: Check all screws are tightly fastened to prevent movement or detachment.
  • Interference: Verify that the peep sight doesn't interfere with the firearm's operation or other components.

Adjusting the Lyman 66 Peep Sight

Adjusting the Lyman 66 is crucial for achieving optimal accuracy. This is done through the windage and elevation adjustments.

Windage Adjustment: This adjusts the horizontal point of impact. Turn the windage screw to move the point of impact left or right.

Elevation Adjustment: This adjusts the vertical point of impact. Turn the elevation screw to move the point of impact up or down. This often involves adjustments to the sight’s height.

These adjustments usually require a systematic approach involving test firing at various distances.

Lyman 66 Peep Sight: Variations and Alternatives

While the Lyman 66 is a popular model, several variations and alternatives exist, catering to different firearm types and preferences.

  • Lyman 17A: Another popular Lyman peep sight known for its reliability and simple design.
  • Williams Gun Sight Company Peep Sights: Williams offers a range of peep sights with different features and styles.
  • Tech-Sights: Tech-Sights offer a more modern approach to peep sights, often incorporating fiber optic elements.

Choosing the right peep sight depends on your firearm, shooting style, and budget.

Conclusion: Is the Lyman 66 Right for You?

The Lyman 66 peep sight remains a timeless choice for shooters seeking improved accuracy and a clean sight picture. Its robust construction, ease of use, and adjustability make it an excellent option for various firearms and shooting disciplines. While alternatives exist, the Lyman 66's proven reliability and cost-effectiveness solidify its place as a top contender in the peep sight market. Consider your specific needs and preferences when selecting a peep sight, and always prioritize safety during installation and use.