Vortex Impact 4000 Rail-Mounted Laser Rangefinder
- Water Resistance Level: Waterproof
- Battery Description: Lithium Ion
- Material Type: Aluminum
- Batteries are Included: Yes
Last refreshed Jun 22, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0CJZ69HPWModel: Impact 4000Category: Hunting Laser Rangefinders
Overview
The Impact 4000 is a rail-mounted laser rangefinder from Vortex built for long-range rifle shooting, combining ranging with an onboard GeoBallistics solver and environmental sensors.
- Rail-mounted, watertight and shockproof housing
- Onboard compass, humidity, pressure and temperature sensors
- Bluetooth pairing with the GeoBallistics app
- Backed by Vortex's lifetime VIP Warranty
Who it's for
Built for long-range rifle shooters who want ranging and ballistic corrections without looking away from the gun. Less suited to anyone who moves frequently between distant shooting locations, given the recalibration requirement.
Pros and cons
- Combines rangefinder and ballistics solver in one rail-mounted unit
- Works standalone or paired with the GeoBallistics app
- Wind Bearing Capture Mode tracks wind direction automatically
- Requires recalibration after moving more than about 30 miles
- One buyer received an item in open, non-new packaging
Where it stands among hunting laser rangefinders
- #3 most-searched brand and model of the 29 hunting laser rangefinders lines we track (by search demand, not sales).
From the specs of the 63 hunting laser rangefinders we list; not a test result.
Specifications
| Brand | Vortex |
|---|---|
| Model | Impact 4000 |
| Dimensions & fit | |
| Item Weight | 1 poundhigher than 92% of 27 hunting laser rangefinders |
| Capacity & performance | |
| Measuring Range | Up to 4000 yards |
| Power & efficiency | |
| Battery Description | Lithium Ion |
| Construction & materials | |
| Material Type | Aluminum |
| Color | Tan |
| Included components | |
| Batteries are Included | Yes |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Description | Limited lifetime |
| Other details | |
| Water Resistance Level | Waterproof |
| Sport Type | Hunting, Shooting |
| Item Type Name | Laser Rangefinder |
Closest rivals on specs
Bushnell Bone Collector 1000 Hunting Rangefinder- Item Weight 1 vs 0.5 pounds (+100%)
Bushnell Bone Collector 4x20 Laser Rangefinder- Item Weight 1 vs 0.5 pounds (+100%)
Maven CRF.1 Hunting Laser Rangefinder- Item Weight 1 vs 0.5 pounds (+100%)
Frequently asked questions
How far has the Impact 4000 been tested?
One reviewer reported repeatable hits at up to 1200 yards on a known-distance range with a stable firing position.
Does the rangefinder need recalibrating if I travel to a new range?
Yes, according to a reviewer it needs to be recalibrated if used more than about 30 miles from where it was last calibrated.