Crimson Trace LG-420 Laserguard Sig P320 Red

The Crimson Trace LG-420 Laserguard is a red laser sight designed for Sig Sauer P320 full-size frames and compatible M17/M18 models; it does not fit subcompact frames. The unit mounts to the trigger guard and features Crimson Trace's instinctive front activation via an overmolded pressure pad. It uses a single CR1/3N battery and provides approximately four (4) hours of battery life with a quick-change battery cover for straightforward replacement without removing the unit.

Key Specifications

• Designed to fit Sig P320 full-size frames and M17/M18 (does not fit subcompact).
• Provides a red laser for visible aiming reference.
• Mounts to the trigger guard for a low-profile installation.
• Output power is 5 mW.
• Wavelength is 633 nM.
• Effective range listed as 50 ft.
• Powered by a CR1/3N battery with a quick-change cover.
• Unit weight is 1.60 oz.
• User-adjustable for windage and elevation.
• Dot measures approximately 0.50 inch at 50 ft.

Compact and straightforward, the LG-420 Laserguard adds a reliable aiming reference that integrates cleanly with full-size P320 platforms. Its intuitive front-activation pad, quick-change battery cover, and tool-adjustable sights make it a practical choice for everyday carry, duty applications, and range use where a low-profile, adjustable laser is desired.