10-8 Performance
GLOCK 21 MOS Sights
Browse parts and check the source behind each answer.
Manufacturer
GLOCK
Model & version
Glock 21 · MOS
Mounting details
Glock MOS, Glock Accessory Rail
Parts listed
46 total
GLOCK 21 MOSSights
What the compatibility labels mean
How we knowHow we check compatibility
- Lab testedFit checked by Firearm Lab for the recorded setup.
- Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
- Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.
Check your exact model and part before ordering. Fitment limits
10-8 Performance4
Based on manufacturer information — Nov 2026. Glock Front Sight, Fiber Optic
Glock Optic Height Rear Sight
Glock Rear Sight, Low Profile, Standard Height
Ameriglo11
CAP Sight Set for Glock Gen 1-4 10mm/.45/.357
Classic Tritium Sight Set for Glock Gen 1-4 10mm/.45/.357
Custom Classic Sight Set for Glock Gen 1-4 10mm/.45/.357
Ghost Ring Sight Set for Glock Gen 1-4 10mm/.45/.357
i-Dot Sight set for Glock Gen 1-4 10mm/.45/.357
Optic Compatible Sight Set for Glock
Protector Sight Set for Glock Gen 1-4 10mm/.45/.357
Range Series Sight Set for Glock
Range Series Sight Set for Glock Gen 1-4 10mm/.45/.357
T-CAP Sight Set for Glock Gen 1-4 10mm/.45/.357
Trooper Sight Set for Glock Gen 1-4 10mm/.45/.357
Dawson Precision9
Sight for Glock MOS, Fixed Co-Witness Black Rear,
Sight for Glock MOS, Fixed Co-Witness Fiber Optic Rear,
Sight for Glock MOS, Fixed Co-Witness Tritium Rear,
Sight for Glock MOS, Fixed Non Co-Witness Black Rear,
Sight for Glock MOS, Fixed Non Co-Witness Fiber Optic Rear,
Sight for Glock MOS, Fixed Non Co-Witness Tritium Rear,
Sight for Glock, Black Front,
Sight for Glock, Fiber Optic Front,
Sight for Glock, Tritium Front,
Heinie Specialty Products8
Black Front for Glock RMR/MOS
Front Tritium Night Sight for Glock RMR/MOS
Ledge Black Rear for Glock RMR/MOS
Ledge Black Sight Set for Glock RMR/MOS
Ledge Rear Tritium Night Sight for Glock RMR/MOS
Ledge Short Tritium Night Sight for Glock RMR/MOS
Ledge Straight Eight Night Sights for Glock MOS/RMR
Ledge Straight Eight Night Sights for Glock RMR/MOS
Meprolight4
MEPRO FT BULLSEYE FRONT
MEPRO FT BULLSEYE FRONT - Glock models
MEPRO FT BULLSEYE REAR - Glock MOS only, Slimline and standard
MEPRO TRU-DOT FIXED SIGHTS
Night Fision5
Precision Optic Plate + ORS Sights COMBO PACK: Glock MOS (19/17/47) to 509t Footprint
Precision Optic Plate + ORS Sights COMBO PACK: Glock MOS (19/17/47) to ACRO P-2 Footprint
Precision Optic Plate + ORS Sights COMBO PACK: Glock MOS to DPP Footprint
Precision Optic Plate + ORS Sights COMBO PACK: Glock MOS to EPS Footprint
Precision Optic Plate + ORS Sights COMBO PACK: Glock MOS to RMR Footprint
Trijicon4
Fiber Sights - Glock MOS Large Frames
HD XR Night Sights - Glock Large Frames (MOS)
HD Night Sights - Glock Large Frames (MOS)
HDXR Suppressor/Optic Height Sights - Glock Large Frames (MOS)
XS Sights1
Minimalist OR Optic Height Sights for Glock MOS