Description
The Sig Sauer SIERRA3BDX 3.5-10X42mm is a 3.5-10×42 mm riflescope from Sig. Shooters choose it for general hunting at short to medium range.
Why choose the Sig Sauer SIERRA3BDX 3.5-10X42mm
With 3.5-10×42 mm optics, this scope covers general hunting at short to medium range. It offers a solid set of features for the price.
Key features
- 3.5-10x variable magnification. You can scan wide at 3.5x and zoom to 10x for careful shot placement.
- 42 mm objective lens. It strikes a good balance between brightness, size and weight.
- 18 mm of eye relief, which helps protect your eye from recoil.
- Field of view: 332 feet/1000 yards.
- Interpupillary distance of 55-72 mm to fit most users.
Sig Sauer SIERRA3BDX 3.5-10X42mm specifications
| Objective Lens Diameter | 28 mm |
|---|---|
| Eye Relief | 18 mm |
| Field of View | 332 feet/1000 yards |
| ProductHeight | 4.6 inches |
| Exit Pupil | 3.5 mm |
| Angular Field of View | 6.2 degrees |
| Magnification | 8x |
| Interpupillary Distance | 55-72 mm |
| ProductWidth | 4.5 inches |
| ProductWeight | 14 oz |
How to choose a riflescope
When you compare riflescopes, start with magnification. Lower power gives a wider view and faster target pick-up. Higher power helps at long range. Next, look at the objective lens. A bigger lens gathers more light, but it also adds weight and needs taller rings. Also check the focal plane. A first focal plane reticle keeps holdovers accurate at every power, while a second focal plane reticle stays the same size.
Finally, make sure the turrets and reticle use the same unit, either MOA or MRAD. That makes corrections quick and simple. Mount the scope in quality rings, set the eye relief before you tighten the screws, and then zero it at the distance you shoot most.
Who it is for
The Sig Sauer SIERRA3BDX 3.5-10X42mm is a good fit for anyone who wants a dependable riflescope for general hunting at short to medium range. If you have questions about this model, contact our team before you order.
Browse more Hunting Scopes at Thermal Scope Hub.






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