Precision Reloading, Tracked.
The cloud platform for precision rifle shooters. Track load development, log range sessions, monitor barrel life, and get data-driven analysis of your shooting performance.
See Primox in Action
Everything you need for load development
Load Development Tracking
Track charge weights, seating depths, and powder tests. Follow your loads from test to confirmed.
Session Reports & Analysis
Ladder tests, seating depth analysis, and powder comparisons with automatic node detection.
Barrel Life Management
Monitor round counts, track barrel life, and know when it's time for a new tube.
Equipment Version History
Full traceability of every component change. Know exactly what was on your rifle for any session.
Process Templates & Checklists
Reusable reloading workflows with auto-populated values from your recipes.
Target Photo Analysis
Upload target photos, mark shots, and get group size, mean radius, and statistical analysis.
How it works
Create a Project
Link your rifle, configure equipment, and set up your load development workflow.
Log Sessions
Record ladder tests, seating depth tests, powder comparisons, or regular range days.
Get Reports & Recommendations
Automatic analysis finds optimal charge weights, seating depths, and velocity nodes.
Try our free tools — no account needed
Analyze targets and calculate statistics right in your browser.
Simple pricing
Free
- 1 Rifle, 1 Project
- 5 Sessions/month
- 1 full report per type
Pro
MOST POPULAR- Unlimited everything
- Full reports & analysis
- Data export (CSV/PDF)
EHA
PREMIUM- Everything in Pro
- Exclusive EHA content
- EHA community access
