The Night Fision NF GLK-002-007-OGZG NS GLK 20/21 OR U-REAR night sight set brings a bright, intuitive sight picture to Glock 20 and 21 pistols. Featuring a steel U-notch rear and a high-visibility orange front ring surrounding a green tritium vial, this set is designed to deliver a clear, consistent aiming reference in both daylight and low light conditions.

This model is ideal for shooters who want a straightforward upgrade from factory plastic sights for range work, home protection, or everyday carry. The direct-fit Glock dovetail design keeps installation simple while maintaining a secure, durable lockup on the slide. Night Fision’s precision machining and use of premium tritium components reflect the brand’s focus on practical performance and long-term reliability.

Key Features:

• Manufacturer: Night Fision
• Model: NF GLK-002-007-OGZG NS GLK 20/21 OR U-REAR
• Sight Type: Night sights with tritium inserts
• Front Dot: Orange ring with green tritium vial
• Rear Sight: U-notch with green tritium
• Compatible With: Glock 20, 21, 40
• Material: Steel
• Dovetail Cut: Glock factory dovetail