Get in Touch
A real person reads every email. We typically reply within one business day.
[email protected] — order questions, compatibility questions, warranty claims, install help, everything else.
Hours
Monday-Friday, 9:00 AM to 5:00 PM Eastern Time. Closed weekends and US federal holidays.
What to include
- Order questions: order number (subject line of your confirmation email)
- Compatibility questions: firearm exact model, generation, serial-number range
- Returns: order number and reason — we send an RMA and instructions
- Warranty: photos of the issue, order number, description
Location
Cornerstone Tactical Supply is based in Grand. We are an online-first retailer; no retail counter — please do not visit the warehouse.