The EOTech G43 3x Magnifier STS Mount is an EOTech red dot sight magnifier with 3x fixed magnification and an ambidextrous switch-to-side design.
The EOTech G43 3x Magnifier STS Mount sits behind a red dot sight or holographic weapon sight and adds 3x magnification on demand, without disturbing your zero. It ships with EOTech's Switch-to-Side mount and a 7 mm riser.
How It Compares
Close alternatives: EOTech G43 3x Magnifier STS Mount Tan. Also consider EOTech G43 3x Magnifier No Mount, EOTech G43 3x Magnifier No Mount Tan. Browse all Red Dot Magnifiers or read our buying guide.
Ideal For
- Builds that need 1x back instantly — it swings to either side and locks there
- Identifying a target past the useful range of a bare holographic sight — 3X fixed behind it
- Builds that need 1x back instantly — the STS mount swings to either side and locks
Key Features
- Magnification: 3X fixed
- Field of View: 7.5°
- Eye Relief: 2.5" (63.5 mm)
- Quick Detach: Ambidextrous switch-to-side design with locking, adjustable quick-detach lever
- Water Resistance: Water resistant to 33 ft (10 m) depth
- Finish: Black
- Weight: Treated as the mounted (STS) weight
- Dimensions: 3.1" x 2.3" x 3.3" (78.7 x 58.4 x 83.8 mm)
About This Model
- Magnification — 3X fixed
- Mount included — Yes - Switch-to-Side (STS) mount included
- Quick detach — Ambidextrous switch-to-side design with locking, adjustable quick-detach lever
- Eye relief — 2.5" (63.5 mm)
- Diopter — Adjustable diopter; rotate clockwise/counter-clockwise until sight picture is clear.
- Water resistance — Water resistant to 33 ft (10 m) depth
What's Included
- Magnifier; Switch-to-Side (STS) mount; 7 mm riser; 4 screws; warranty card; quick start guide. The STS mount IS included in this SKU.
Technical Specifications
Magnification | 3X fixed |
Eye Relief | 2.5" (63.5 mm) |
Field of View | 7.5° |
Diopter Adjustment | Adjustable diopter; rotate clockwise/counter-clockwise until sight picture is clear. |
Windage / Elevation Adjustment | Tool-free vertical and horizontal reticle-position adjustments (used to center the sight's reticle image in the magnifier window; does not affect the sight's zero). |
Mount Interface | Attaches to 1" Weaver or MIL-STD-1913 (Picatinny) rail |
Mount Included | Yes - Switch-to-Side (STS) mount included |
Quick Detach | Ambidextrous switch-to-side design with locking, adjustable quick-detach lever |
Pairs With | Compatible with all EOTECH HWS (Holographic Weapon Sight) models. Mounts directly behind the HWS. The STS mount kit ships with a 7 mm riser to adjust optical height. |
Dimensions | 3.1" x 2.3" x 3.3" (78.7 x 58.4 x 83.8 mm) |
Weight | Treated as the mounted (STS) weight |
Water Resistance | Water resistant to 33 ft (10 m) depth |
Sealing | Fog-resistant internal optics |
Operating Temperature | -40°F to 140°F (-40°C to 60°C) |
Finish | Black |
Country of Origin | Assembled in USA |
SKU / MPN / UPC | G43.STS / G43.STS / 672294300434 |
Warranty
Covered by the EOTech factory warranty — check the current term with us before you buy.
US Shipping & Support
Shipped from D&R Sports Center in the USA with fast, tracked delivery. Questions on fit, mounting or which model suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
What does it mount to?
Ambidextrous switch-to-side design with locking, adjustable quick-detach lever.
How much eye relief does it give?
2.5" (63.5 mm).
What is the field of view?
7.5°.
Is it waterproof?
Water resistant to 33 ft (10 m) depth.
Is this a genuine EOTech product?
Yes — factory-new EOTech, supplied through US distribution. The part number is G43.STS and the barcode is 672294300434.
What warranty does it carry?
Covered by the EOTech factory warranty — check the current term with us before you buy.
