Sightmark Core 2.0 TX
VS
Nightforce NX8

VS

Sightmark Core 2.0 TX
The Sightmark Core 2.0 TX riflescope stands out for its Ballistic Drop (BD) reticle, calibrated specifically for 55gr 5.56x45mm ammunition. This feature really enhances targeting and accuracy, particularly when using this popular caliber. I’ve been using it for a range of shooting scenarios, and the 1-4x magnification has proven versatile, making it ideal for both close-quarters and mid-range engagements. The 24mm objective lens diameter ensures excellent light transmission, delivering a sharp and clear image in various lighting conditions. The adjustable parallax settings, calibrated for 100 yards, allow for precise aiming without reticle shift at that range, making it a perfect fit for both precision shooting and hunting. With an impressive 140 MOA windage adjustment range, it’s easy to compensate for wind drift and dial in on target. Whether in competitive shooting or in the field, this scope offers accuracy and reliability that consistently delivers.
Nightforce NX8
Nightforce, established in 1992, is committed to delivering high-performance optics and mounting systems tested in the toughest environments. With nearly three decades of experience, Nightforce ensures optical clarity, consistent tracking, and rugged durability for military operations, competitive shooters, and outdoor enthusiasts alike. The NX8 Scope Series, a progression of the acclaimed NXS series, features an impressive 8x magnification range in a compact design, utilizing ED glass for enhanced clarity. Built to endure extreme conditions, the NX8 scopes are resistant to heat, cold, dust, and water. The ZeroStop elevation adjustment allows for rapid returns to zero, while the 50mm objective optimizes light transmission. The MOAR-CF2 reticle provides intuitive subtensions for fast target acquisition, making the NX8 ideal for versatile shooting scenarios.
Basic Details
| Brand | Color | Style | Sport | Item Weight | Material | |
|---|---|---|---|---|---|---|
| Sightmark Core 2.0 TX | Sightmark | Black | Tactical | Airsoft | 18.8 Ounces | Aluminum |
| Nightforce NX8 | Nightforce | Dark Earth | 2.5-20x50 - MOAR-CF2 | Hunting | 1.8 Pounds | Metal |
Magnification & Range
| Magnification | Parallax Setting | |
|---|---|---|
| Sightmark Core 2.0 TX | 1-4x | 100 Yards |
| Nightforce NX8 | 2.5-20X | 50 yards to infinity |
Performance Insights
| Eye Relief | Zoom Ratio | FOV | Night Vision | |
|---|---|---|---|---|
| Sightmark Core 2.0 TX | 3.3 Inche | 4:1 | 22.5° - 5.5° | No |
| Nightforce NX8 | 3.5 inches | 8:1 | 46.7 - 6.8 degrees | No |
To Calculate scope clicks: Let’s check out Scope Clicks Calculator
Diameter & Tube Size
| Tube Size | Tube Diameter | Objective Diameter | |
|---|---|---|---|
| Sightmark Core 2.0 TX | 30mm | 30mm | 24mm |
| Nightforce NX8 | 30mm | 30mm | 50mm |
Compatibility
| Compatible Devices | Mounting Type | |
|---|---|---|
| Sightmark Core 2.0 TX | Rifle | Picatinny Mount or Weaver Mount |
| Nightforce NX8 | Rifle | Picatinny Mount |
Additional Features
| Reticle | Max Elevation Adjustment | |
|---|---|---|
| Sightmark Core 2.0 TX | Ballistic Drop | 140 MOA |
| Nightforce NX8 | MOAR-CF2 | 100 MOA |
Built for Tough Conditions
| Waterproof | Fogproof | Shockproof | |
|---|---|---|---|
| Sightmark Core 2.0 TX | Yes | Yes | Yes |
| Nightforce NX8 | Yes | Yes | Yes |
Accessories & Warranty
| Includes | Warranty | |
|---|---|---|
| Nightforce NX8 | Tenebraex flip up covers, cleaning fob/ cleaning cloth, multi-tool, power throw lever, stickers, manual | Limited lifetime warranty |


















