LaserMax Guide Rod Laser Gen4 Glock 20/21/41 | LMS-G4-1151G

The LaserMax Guide Rod Laser Sight (LMS-G4-1151G) is a direct-replacement spring guide designed specifically for Glock 20 (Gen4), Glock 21 (Gen4), and Glock 41 (Gen4) pistols. It installs easily without the need for gunsmithing or special tools and positions the laser close to the bore to minimize POA/POI variance. The unit uses a high-intensity pulsing green laser for improved visibility and includes an ambidextrous on/off switch while preserving grip and holster compatibility. This compact, durable assembly is intended to provide consistent, bore-proximate laser performance for range work and field carry.

Product Specifications

• Compatible with Glock 20 (Gen4), Glock 21 (Gen4), and Glock 41 (Gen4).
• Manufacturer part number LMS-G4-1151G.
• Laser color is Green.
• Laser emits a pulsing pattern for increased visibility.
• Installation replaces the factory spring guide assembly and requires no gunsmithing.
• Internal design does not restrict grip or holster selection.
• Distinct ambidextrous ON/OFF switch to support safe handling practices.
• Constructed with aircraft-grade aluminum and genuine Wolff springs.
• Proximity to the bore provides maximum point-of-aim/point-of-impact accuracy.
• Manufacturer guarantees alignment to ensure consistent POA/POI relationships.
• UPC: 798816542950
• Product weight value: 0.2313

This guide rod laser integrates into the pistol’s original configuration to deliver a bright, repeatable green aiming point while preserving holster compatibility and grip ergonomics. Its user-installable design and robust construction make it a practical upgrade for shooters who prioritize straightforward installation and consistent, bore-proximate laser performance on the range or in the field.

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