CRIMSON TRACE LG-420 Review: Pros and cons of the CRIMSON TRACE LG-420

CRIMSON TRACE LG-420: Pros and Cons

Crimson Trace is a well-known name in the firearm accessory industry, producing high-quality laser sights and other firearm accessories. One of their popular laser sight models is the LG-420, which is designed specifically for the Sig Sauer P320 pistols. In this blog, we'll discuss the pros and cons of the CRIMSON TRACE LG-420 laser sight. You can find comfortable holsters here.


  1. Easy to Install: The LG-420 is easy to install on your Sig Sauer P320, requiring no gunsmithing or permanent modification to your firearm. The sight simply attaches to the gun's accessory rail and can be adjusted for windage and elevation.

  2. Brightness: The LG-420 features a 5mW peak, 620-670nm, Class 3R red laser that is highly visible and provides a clear sight picture even in low-light conditions.

  3. Ergonomic Design: The LG-420 has a sleek and ergonomic design that complements the aesthetics of the Sig Sauer P320. The activation button is located on the front of the grip, making it easy to operate with your trigger finger.

  4. Battery Life: The LG-420 uses a single CR2016 battery that provides up to four hours of continuous use. The battery is easy to replace and can be accessed without removing the sight from the firearm.

  5. Warranty: Crimson Trace offers a three-year warranty for the LG-420 laser sight, providing peace of mind to the user.


  1. Limited Compatibility: The LG-420 is only compatible with Sig Sauer P320 pistols, limiting its versatility to other firearms.

  2. Cost: The LG-420 is a premium product with a premium price tag, which may not be suitable for those on a tight budget.

  3. Brightness: While the laser is bright and highly visible, some users may find it to be too bright in low-light conditions, potentially causing eye strain.

The CRIMSON TRACE LG-420 laser sight is a high-quality product that offers easy installation, excellent brightness, and an ergonomic design. While it may have limited compatibility and a higher price point, the benefits of the LG-420 make it a worthwhile investment for Sig Sauer P320 owners who prioritize accuracy and visibility in their shooting.

Order a holster for your CRIMSON TRACE LG-420 today.

CRIMSON TRACE LG-420 Review: Pros and cons of the CRIMSON TRACE LG-420