---
product_id: 102835081
title: "SIG SAUER SIERRA3BDX 30mm Tube Riflescope | Durable IPX-7 Waterproof Fogproof Tactical Hunting Shooting Digital Focal Plane BDX-R1 Reticle Optic"
brand: "sig sauer"
price: "$1358.43"
currency: USD
in_stock: true
category: "Sig Sauer"
url: https://www.desertcart.us/products/102835081-sig-sauer-sierra3bdx-30mm-tube-riflescope-durable-ipx-7-waterproof
store_origin: US
region: United States of America
---

# Auto-scaling ballistic holdover dot Bluetooth-enabled BDX 2.0 rangefinder IPX-7 waterproof & fogproof SIG SAUER SIERRA3BDX 30mm Tube Riflescope | Durable IPX-7 Waterproof Fogproof Tactical Hunting Shooting Digital Focal Plane BDX-R1 Reticle Optic

**Brand:** sig sauer
**Price:** $1358.43
**Availability:** ✅ In Stock

## Summary

> 🎯 Lock, Load & Level Up Your Hunt with SIG SAUER’s Smartest Scope Yet!

## Quick Answers

- **What is this?** SIG SAUER SIERRA3BDX 30mm Tube Riflescope | Durable IPX-7 Waterproof Fogproof Tactical Hunting Shooting Digital Focal Plane BDX-R1 Reticle Optic by sig sauer
- **How much does it cost?** $1358.43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/102835081-sig-sauer-sierra3bdx-30mm-tube-riflescope-durable-ipx-7-waterproof)

## Best For

- sig sauer enthusiasts

## Why This Product

- Trusted sig sauer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Hunting Tech:** Integrated KinETHIC kinetic energy transfer indicator helps you make ethical shots by alerting when energy drops below your set threshold.
- • **All-Weather Warrior:** IPX-7 rated waterproof and fogproof design ensures uncompromised performance in rain, fog, or immersion up to 1 meter.
- • **Effortless Illumination:** Motion-activated OLED display powers on with movement and features ultra-wide broadband SpectraCoat lens coatings for superior light transmission.
- • **Precision at Every Zoom:** Automatic Digital Focal Plane holdover dot scales perfectly from 4.5x to 14x magnification for flawless shot placement.
- • **Seamless Ballistic Sync:** BDX 2.0 system wirelessly syncs environmental data and ballistics via Bluetooth to illuminate the exact holdover dot automatically.

## Overview

The SIG SAUER SIERRA3BDX 30mm Tube Riflescope combines cutting-edge BDX 2.0 Bluetooth ballistic technology with a digital focal plane reticle that auto-scales for precision at any magnification. Built tough with IPX-7 waterproof and fogproof ratings, it features motion-activated OLED illumination and KinETHIC energy transfer indicators to ensure ethical, all-weather hunting performance. This versatile optic is engineered for professionals who demand smart, reliable, and high-tech shooting solutions.

## Description

desertcart.com : SIG SAUER SIERRA3BDX 30mm Tube Riflescope | Durable IPX-7 Waterproof Fogproof Tactical Hunting Shooting Digital Focal Plane BDX-R1 Reticle Optic, 4.5-14x44mm : Sports & Outdoors

## Features

- SIERRA3BDX SCOPE - The SIERRA3BDX series Rifle Scope by SIG SAUER has Integrated BDX Ballistic Data Xchange 2.0; A rangefinder and riflescope system that uses ballistics, environmental conditions, and Bluetooth to illuminate the exact holdover dot in
- AUTOMATIC - This versatile scope for rifles features an automatic holdover dot on a Digital Focal Plane, combining Second Focal Plane, with an OLED illuminated ballistic holdover dot that automatically scales with zoom to subtend on target at any magnification level
- ULTIMATE LIGHT & ILLUMINATION - SpectraCoat's highly efficient, ultra-wide broadband, anti-reflection lens coatings reduce surface reflections providing superior light transmission; While Motion Activated Illumination powers up sensing motion and powers down when doesn't
- UPGRADED HUNTING - The SIERRA3BDX riflescope has SIG SAUER's innovative KinETHIC kinetic energy transfer indicator; KinETHIC provides assistance in assuring an ethical hunt by indicating when energy on target drops below a threshold that can be set by the hunter using the SIG BDX App
- BEST PERFORMANCE - New for BDX riflescopes, Auto LevelPlex, automatically increases digital level sensitivity on longer shots; Featuring dependable waterproof (IPX-7 rated for complete immersion up to 1 meter) and fog-proof qualities, this reliable scope brings you all-weather performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JWJ48K2 |
| Best Sellers Rank | #168,233 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #345 in Rifle Scopes |
| Brand Name | Sig Sauer |
| Color | Black |
| Compatible Devices | Rifle |
| Customer Reviews | 4.7 4.7 out of 5 stars (38) |
| Global Trade Identification Number | 00798681587056 |
| Included Components | 1554 rifle-scopes |
| Item Type Name | Sosbdx34111 Sierra3Bdx |
| Item Weight | 2 pounds |
| Magnification Maximum | 14 |
| Magnification Minimum | 4.5 x |
| Manufacturer | Big Rock Sports |
| Manufacturer Part Number | SOSBDX34111 |
| Material Type | Plastic |
| Model Name | SOSBDX34111 |
| Model Number | SOSBDX34111 |
| Mounting Type | Rail mount |
| Number of Items | 1 |
| Objective Lens Diameter | 40 millimeters |
| Product Style | 4.5-14x44mm |
| Reticle Type | BDX-R1 Digital |
| Sport Type | Airsoft, Hunting, Tactical & Military |
| UPC | 798681587056 |
| Unit Count | 1 Count |
| Warranty Description | Contact Manufacturer |

## Product Details

- **Brand:** Sig Sauer
- **Color:** Black
- **Compatible Devices:** Rifle
- **Item Weight:** 2 pounds
- **Magnification Maximum:** 14
- **Magnification Minimum:** 4.5 x
- **Material:** Plastic
- **Objective Lens Diameter:** 40 millimeters
- **Sport:** Airsoft, Hunting, Tactical & Military
- **Style:** 4.5-14x44mm

## Images

![SIG SAUER SIERRA3BDX 30mm Tube Riflescope | Durable IPX-7 Waterproof Fogproof Tactical Hunting Shooting Digital Focal Plane BDX-R1 Reticle Optic - Image 1](https://m.media-amazon.com/images/I/51TTnbmOmCL.jpg)
![SIG SAUER SIERRA3BDX 30mm Tube Riflescope | Durable IPX-7 Waterproof Fogproof Tactical Hunting Shooting Digital Focal Plane BDX-R1 Reticle Optic - Image 2](https://m.media-amazon.com/images/I/51VmYhoV74L.jpg)
![SIG SAUER SIERRA3BDX 30mm Tube Riflescope | Durable IPX-7 Waterproof Fogproof Tactical Hunting Shooting Digital Focal Plane BDX-R1 Reticle Optic - Image 3](https://m.media-amazon.com/images/I/519s3+07itL.jpg)
![SIG SAUER SIERRA3BDX 30mm Tube Riflescope | Durable IPX-7 Waterproof Fogproof Tactical Hunting Shooting Digital Focal Plane BDX-R1 Reticle Optic - Image 4](https://m.media-amazon.com/images/I/616IduMfzpL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- SIG SAUER SIERRA3BDX Tactical Hunting Shooting Durable IPX-7 Waterproof Fogproof 30mm Tube Digital Focal Plane BDX-R1 Reticle Riflescope
- SIG SAUER KILO3K 6X22MM Compact Lightweight Waterproof Accurate Laser Rangefinder |BDX-U/X, Red OLED Display (SOK3K602)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-11*