Defender-XL
Large-window competition-oriented pistol sight.
current
Research record; not firsthand tested.
optic
Weight: 1.93 oz
Dimensions: 2.03 in long; 0.39 in / 10 mm deck height
Compatibility: DeltaPoint Pro footprint
Not listed
Prices may change.
No merchant links are currently listed.Description
Large-window competition-oriented pistol sight.
Specifications
| Design | Open emitter |
|---|---|
| Battery | Top-loading CR2032 |
| Reticle | 2, 5, or 8 MOA red dot, depending on model |
| Adjustment | 1 MOA per click |
| Eye relief | Unlimited |
| Battery life | Up to 25,000 hours |
| Magnification | 1× |
| Adjustment range | 120 MOA elevation; 115 MOA windage |
| Motion activation | Auto-Shutoff with motion activation |
Sources and verification
- Manufacturer product page
- Specification source — checked July 23, 2026
- Mounting-footprint source — checked July 16, 2026
Reviewed pistol mounting paths
| Pistol configuration | Result | Mounting details | Verified |
|---|---|---|---|
| Glock G19 Gen6 Optic Ready G19 Gen6 Optic Ready · Glock Gen6 Optic Ready | plate required | Glock Glock Gen6 04 Plate (oem) — Use OEM screws. | Checked July 16, 2026 Not personally tested |
| Glock G45 Gen6 Optic Ready G45 Gen6 Optic Ready · Glock Gen6 Optic Ready | plate required | Glock Glock Gen6 04 Plate (oem) — Use OEM screws. | Checked July 16, 2026 Not personally tested |
| Glock G17 Gen6 Optic Ready G17 Gen6 Optic Ready · Glock Gen6 Optic Ready | plate required | Glock Glock Gen6 04 Plate (oem) — Use OEM screws. | Checked July 16, 2026 Not personally tested |