XS Sights, R3D 2.0, Tritium Night Sight, Fits Glock 20/21/29/30/30S/37/41, Orange Front Outline, Green Tritium Front/Rear
- For Glock 21
- Orange Ring
- Tritium front and rear sight
- Black nitride surface finish
- DIYer Install Rated
- Dual-Illuminated tritium photoluminescent front sight
- High contrast orange or green photoluminescent Glow Dot
- Anti-glare Blacked-out Serrated Rear Sight
- Rear Sight Ledge for one-handed slide manipulations
- Traditional notch and post 3-dot sight picture
- CNC-machined iron sights
- Made in U.S.A.
