TRUGLO
TRUGLO Brite-Site TFO Tritium Fiber-Optic Sights for Glock 21 – Green/Yellow
TRUGLO Brite-Site TFO Tritium Fiber-Optic Sights for Glock 21 – Green/Yellow
SKU:TG131GT2Y
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The TRUGLO Brite-Site TFO (Tritium Fiber-Optic) sights combine tritium night sight technology with fiber-optic brightness for 24-hour visibility. Green front and yellow rear fiber-optic inserts deliver rapid sight acquisition in daylight, while tritium capsules provide a dependable glow in low-light and complete darkness. These sights are purpose-built for Glock 21 pistols chambered in .45 ACP.
The TFO design uses a hermetically sealed capsule to protect both the tritium vial and fiber-optic element. The fortress-style steel construction is CNC-machined for precise fit and features a snag-resistant profile suitable for concealed carry and duty use. Installation requires a sight pusher tool or gunsmith services. The contrasting green front and yellow rear configuration helps shooters naturally align the front sight during target transitions.
- Sight Type: Tritium Fiber-Optic (TFO) Combination
- Front Sight Color: Green Fiber-Optic / Tritium
- Rear Sight Color: Yellow Fiber-Optic / Tritium
- Compatible Firearm: Glock 21
- Construction: CNC-Machined Steel
- Profile: Snag-Resistant
- Installation: Requires Sight Pusher Tool or Gunsmith
- Visibility: Day and Night (24-Hour)
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