ATN Thor 4
VS
Sig Sauer Buckmasters

VS

ATN Thor 4
The ATN ThOR 4 Smart HD Thermal Hunting Scope represents a leap in thermal imaging technology, combining traditional optic design with advanced features for the modern hunter. Powered by the Obsidian IV Dual Core Processor, it delivers exceptional thermal sensitivity, improved resolution, and contrast for precise target detection in any environment. With a thermal zoom range from 1.25-5x to 4-40x, it adapts effortlessly to varying distances, while Black Hot, White Hot, and Color viewing modes enhance visibility. This scope is packed with smart features like a built-in Ballistics Calculator for accurate POI correction, recoil-activated video recording, and compatibility with Micro SD cards up to 64GB. The long-lasting power management system ensures 16+ hours of operation, while the 3" eye relief and multiple reticle options provide comfort and versatility. Accessories like the ATN ABL Laser Range Finder, Quick Detach Mount, and Battery Pack Kit expand functionality, making the ThOR 4 an invaluable tool for hunters and outdoor enthusiasts.
Sig Sauer Buckmasters
When I decided to hunt deer in the dense woods of Virginia, I knew my riflescope needed to offer both clarity and durability. The Sig Sauer Buckmasters 3-9x50mm, with its 3x optical system and custom BDC reticle, seemed like the right fit. Out there, in low morning light, I found its low-dispersion glass delivered a bright, clear image even at 500 yards, where I could accurately gauge distance with the BDC reticle’s holdover dots. Built to endure rough conditions, the Buckmasters’ waterproof, shockproof, and fogproof design kept me on target, rain or shine. It felt like a reliable companion for any hunt.
Basic Details
| Brand | Color | Style | Sport | Item Weight | Material | |
|---|---|---|---|---|---|---|
| ATN Thor 4 | ATN | Black | 1-10x | Hunting | 1.9 Pounds | Aluminum |
| Sig Sauer Buckmasters | Sig Sauer | Black | Buckmasters BDC Non-Illuminated Reticle | Hunting | 15.2 Ounces | Aluminum |
Magnification & Range
| Magnification | Parallax Setting | |
|---|---|---|
| ATN Thor 4 | 1-5x | Adjustable |
| Sig Sauer Buckmasters | 3-9x | 500 yards |
Performance Insights
| Eye Relief | Zoom Ratio | FOV | Night Vision | |
|---|---|---|---|---|
| ATN Thor 4 | 3.5 inches | Variable | Variable | No |
| Sig Sauer Buckmasters | 3.6 inches | 3:1 | 6.4° - 2.1° | No |
To Calculate scope clicks: Let’s check out Scope Clicks Calculator
Diameter & Tube Size
| Tube Size | Tube Diameter | Objective Diameter | |
|---|---|---|---|
| ATN Thor 4 | N/A (Digital thermal scope) | N/A | 50mm |
| Sig Sauer Buckmasters | 1 inch | 1 inch | 50mm |
Compatibility
| Compatible Devices | Mounting Type | |
|---|---|---|
| ATN Thor 4 | Rifle | Cantilever Mount |
| Sig Sauer Buckmasters | Shotgun, Rifle, Cross Bow | Picatinny Mount |
Additional Features
| Reticle | Max Elevation Adjustment | |
|---|---|---|
| ATN Thor 4 | Smart Mil Dot | 90 MOA |
| Sig Sauer Buckmasters | Standard Duplex | 60 MOA |
Built for Tough Conditions
| Waterproof | Fogproof | Shockproof | |
|---|---|---|---|
| ATN Thor 4 | Resistant to water splashes (not fully submersible) | Yes | Yes |
| Sig Sauer Buckmasters | Yes | Yes | Yes |
Accessories & Warranty
| Includes | Warranty | |
|---|---|---|
| ATN Thor 4 | ThOR 4 HD Thermal Rifle Scope 1-10x, 640x480 with HD Video Recording, Wi-Fi, GPS, Smooth Zoom | 3 Year Manufacturer |
| Sig Sauer Buckmasters | 1 scope | Sig Sauer Electro-Optics Infinite Guarantee |



















