Nightforce ATACR 4-16x42mm F1 Riflescope
- Rifle Scope
- 42 mm
- 4x
- 16x
A purpose built FFP scope for shooters who dial elevation frequently and need the reticle to stay accurate across the full 4-16x range.
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How it ranks among the 359 rifle scopes we track
0 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 359 rifle scopes we track - how the scorecard works · full rifle scopes data report. Confidence: limited - limited rating history.Last refreshed Jun 22, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A first focal plane rifle scope built for precision shooters running semi-automatic platforms, with 4-16x magnification, a 42mm objective and a 34mm main tube.
Because the reticle sits in the first focal plane, holdovers stay accurate at any magnification setting rather than only at one fixed power. ZeroHold technology is meant to let you return to a saved zero quickly and also dial below it, which matters for shooters making rapid elevation changes mid string.
- 4-16x42mm first focal plane
- 34mm main tube, .1 MRAD clicks
- ZeroHold return-to-zero
- Illuminated Horus Tremor3 reticle
Who it's for
Built for long range precision shooters who need a scope that keeps pace with semi-auto rifles in variable light. Casual plinkers or hunters who rarely dial elevation likely won't use most of what it offers.
Strengths and trade-offs
Drawn from this product's published specifications.
- First focal plane reticle keeps holdovers accurate at any zoom
- ZeroHold lets you return to a saved zero and dial below it
- Compact 12.6 inch overall length for a 4-16x scope
- Illuminated Horus Tremor3 reticle built for wind calls
- No customer rating or review data available
- 34mm tube and F1 optics require compatible rings and mounts
Performance notes
Extra-low dispersion glass is aimed at maintaining color fidelity and resolution across the zoom range, while the .1 MRAD click turrets and internal adjustment range of 89 MOA elevation and 60 MOA windage give room for long range corrections. Eye relief is listed at 3.5 inches, with field of view narrowing from 26.9 feet at 4x to 6.9 feet at 16x per 100 yards.
Specifications
| Brand | Nightforce |
|---|---|
| Model | C575 |
| Dimensions & fit | |
| Objective Lens Diameter | 42 mm |
| Item Weight | 1.9 pounds |
| Construction & materials | |
| Material Type | Glass |
| Color | Black |
| Compatibility & installation | |
| Mounting Type | Cantilever Mount |
| Compatible Devices | Rifle |
| Included components | |
| Unit Count | 1 |
| Included Components | item |
| Other details | |
| Magnification Minimum | 4x |
| Magnification Maximum | 16x |
| Sport Type | Hunting |
| Reticle Type | Horus TReMoR3 |
| Night vision | Yes |
| Product Style | F1 Horus TREMOR3 |
| Field Of View | 26.9 Feet |
| Item Type Name | rifle-scopes |
Other Nightforce rifle scopes
How it compares
This product against the closest alternatives we track in rifle scopes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Nightforce ATACR 4-16x42mm F1 RiflescopeThis product | - | - | 2.7 / 5 |
| UTG 3-12X44 30mm Compact ScopeUTG | 4.5 / 5 | 3,000 | 4.4 / 5 |
| Vortex Optics Diamondback Second Focal PlaneBrand | 4.7 / 5 | 1,500 | 4.3 / 5 |
| PINTY Tactical Rifle Scope Combo: Illuminated OpticsPinty | 4.4 / 5 | 1,100 | 4.3 / 5 |
| Firefield RapidStrike 1-6x24 SFP Riflescope KitFirefield | 4.5 / 5 | 900 | 4.3 / 5 |
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Questions about the Nightforce C575
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Is the reticle in the first or second focal plane?
First focal plane (FFP/F1), so the reticle subtensions stay accurate for holdovers at any magnification from 4x to 16x.
What does ZeroHold do?
It lets you return instantly to your chosen zero setting and also dial below zero, useful for quick elevation changes.
How long is the scope?
Nightforce lists it at a compact 12.6 inches overall, short for a 4-16x42 scope in this class.