LaserMax LMS1151G Green Guide Rod Laser for Glock 20/21 Gen 1-3

Designed specifically for use in Glock 20, 20SF, 21, and 21SF pistols (Gen 1–3), the LaserMax LMS1151G replaces the factory spring guide assembly with a high-intensity green laser sighting system to aid target acquisition. Installation is user-friendly and requires no gunsmithing or special tools. The Guide Rod Laser is built from rugged, precision components, including aircraft-grade aluminum and genuine Wolff springs for reliable function.

Key Specifications

• The product fits Glock 20/20SF/21/21SF (Gen 1-3).
• The finish is Black.
• The dot measures 0.63" at 20 Yards.
• The battery size is 393.
• Adjustments: No.
• The laser color is Green.
• The weight is 0.76 oz.
• The wavelength is 520nM.
• The stated range is 50 Meters.
• The output power is 5mW.

Compact and purpose-built, the LMS1151G integrates a bright green laser into the guide rod footprint to provide a discreet sighting option for duty, carry, or range use. Its direct-fit design preserves the pistol's profile while delivering consistent laser performance for practical target acquisition scenarios.