Nightforce NX8 2.5-20x50 F1 TReMoR3 Like New Demo Riflescope w/Tenebraex Flip Up Covers/Power Throw Lever C631




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Nightforce C631 Demo NX8 2.5-20x50 F1 .1 MRAD DigIllum PTL TReMoR3 Black Riflescope Like New Demo Condition

The Nightforce NX8 2.5-20x50mm F1 ZeroStop .1 MRAD Illum PTL TReMoR3 Black Riflescope C631, featuring an illuminated TReMoR3 reticle at the center and a convenient Power Throw Lever (PTL), is an ultra-compact and durable optic. It inherits the robustness of Nightforce's NXS family while introducing the first focal plane performance with an 8x zoom range. This broad zoom capability facilitates rapid close-range engagements and long-range target detection and engagement. Notable features include the ZeroStop elevation adjustment for swift and precise zero return, a 50mm objective optimized for resolution and light transmission, and a parallax adjustment down to 11 yards. With a compact size and Black finish, the Nightforce C631 Demo riflescope is an excellent choice for semi-auto precision or compact bolt-action rifles.

Reticle Details

Very fine reticle to aid in precise aiming at high power and distant ranges. Refined, patented “chevron” mil markers subtend to 0.1 mils. Versatile marker groupings for measuring targets occur throughout the reticle.

View all scopes with Nightforce TReMoR3 Illuminated Reticle

Download Nightforce TReMoR3 Illuminated Reticle PDF

The Nightforce NX8 2.5-20x50 F1 riflescope, a part of the esteemed Nightforce NX8 riflescope series, exemplifies excellence in precision optics. With a versatile magnification range of 2.5-20x and a high-quality 50mm objective lens, this riflescope offers impeccable clarity and performance across various shooting scenarios. Whether engaged in long-range precision shooting or close-quarters tactical situations, the Nightforce NX8 riflescope ensures superior optical quality and versatility. Experience the reliability and innovation synonymous with Nightforce NX8 riflescopes, setting the standard for precision marksmanship.

Available Nightforce NX8 2.5-20x50 F1 Riflescopes

Models Reticle Finish Turret Adjustment Product
Nightforce C622 MOAR Black .25 MOA Nightforce NX8 2.5-20x50 F1 MOAR Black C622
Nightforce C651 MOA-XT Black .25 MOA Nightforce NX8 2.5-20x50 F1 MOA-XT Black C651
Nightforce C623 Mil-C Black .1 MRAD Nightforce NX8 2.5-20x50 F1 Mil-C Black C623
Nightforce C631 TReMoR3 Black .1 MRAD Nightforce NX8 2.5-20x50 F1 TReMoR3 Black C631
Nightforce C632 Mil-XT Black .1 MRAD Nightforce NX8 2.5-20x50 F1 Mil-XT Black C632
Nightforce C664 TReMoR3 FDE .1 MRAD Nightforce NX8 2.5-20x50 F1 TReMoR3 FDE C664
Nightforce C665 Mil-XT FDE .1 MRAD Nightforce NX8 2.5-20x50 F1 Mil-XT FDE C665
Nightforce C685 MOAR Dark Earth .25 MOA Nightforce NX8 2.5-20x50 F1 MOAR Dark Earth C685

Features of the Nightforce NX8 2.5-20x50 F1 Riflescope

  • 8x zoom range (2.5x to 20x magnification)
  • ED (Extra-low Dispersion) glass
  • Compact design with a length of 12.0 inches
  • ZeroStop elevation adjustment
  • Integrated PTL (Power Throw Lever)
  • Locking diopter adjustment

Included in the box

  • Tenebraex Flip Up Covers
  • Power Throw Lever
  • Cleaning Fob/ Cleaning Cloth
  • Multi-Tool
  • Stickers
  • Owners Manual


Scope Weight:283 oz
Scope Length:12 inches
Magnification Range:2.5-20x
Scope Objective Lens Diameter:50mm
Scope Tube Size / Mount30mm
Scope Turret Adjustment:.1 MRAD
Elevation Adjustment32 MRAD
Elevation Turret Details:ZeroStop
Windage Adjustment23 MRAD
Parallax Adjustment:11 yards - infinity
Reticle Position:First Focal Plane
Reticle Details:TReMoR3
Field of View:41.8 ft - 7 ft @ 100yds
Eye Relief:3.5 inches
Illuminated Reticle:Yes
Package IncludesPower Throw Lever
Tenebraex Flip Up Covers
Cleaning Fob/ Cleaning Cloth
Owners Manual
Scope Turret RotationCounter Clockwise (CCW)
Item Condition:Like New Demo
Product TypeShop All Scopes
BrandShop All Nightforce
Date First AvailableAugust 16, 2023
Last UpdatedJuly 23, 2024

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