The LaserMax Guide Rod Laser (brand part no. LMS-G4-1151G) is a green laser sight built for the Glock 20, 21, and 41 Gen 4, replacing the factory spring guide assembly with a high-intensity laser system for advanced target acquisition. Easily user-installed without gunsmithing or special tools, it keeps the pistol’s external profile — and existing holster and grips — unchanged.

Key Specifications

• Replaces the factory spring guide assembly with a high-intensity green laser.
• Green laser with a 0.63-inch dot at 20 yards.
• 5mW output power.
• User-installable with no gunsmithing or special tools required.

Frequently Asked Questions

Do I need a gunsmith to install this? No, it’s designed for easy user installation with no special tools.

Which Glock models does this fit? The 20, 21, and 41, Gen 4.

Buy the LaserMax Guide Rod Laser for Glock 20/21/41 Gen 4

Add this laser to your laser sights lineup by ordering from our Lubbock, Texas gun shop — it ships fast and direct.