XS Sights XS R3D 2.0 for GLOCK 21 Green
$98.87
XS Sight Systems R3D 2.0 Night Sights for Glock 20/21/29/30/30S/37/40/41
Tritium front and rear night sights with high contrast glow dot for low-light applications. Compatible with Gen 1-5 Glocks, including MOS models. Fits .40 S&W caliber pistols with 3-dot tritium notch and post sight picture.
4 in stock
XS Sights R3D 2.0 night sights feature green tritium front and rear sights with a green front outline and high-contrast glow dot for low-light applications.
They fit Glock 20, 21, 29, 30, 30S, 37, 40, and 41 pistols across Gen 1-5, including MOS models, and provide a 3-dot tritium notch-and-post sight picture.
- Manufacturer: XS Sights
- Model: R3D 2.0
- Fit: Glock 20/21/29/30/30S/37/40/41
- Generation: Gen 1-5, including MOS models
- Front Outline: Green
- Illumination: Green tritium front and rear
- Sight Picture: 3-dot tritium notch and post
- Manufacturer Part Number: XSGL-R202P-6G
- UPC: 647533003810
| Weight | 0.188 lbs |
|---|---|
| Dimensions | 5.000 × 5.000 × 1.250 in |
| Manufacturer | XS Sights |
| Finish | Black Nitride |
| Material | Tritium |
| Compatible With | Glocks Gen 1-5 including MOS models |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.
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