Need Gun Powder? Come to Mainstream.
Our store is loaded with top-brand powder and supplies. In fact, Mainstream has the largest supply of powder around. We carry:
- Shotgun shells
- Handgun shells
- Rifle loads
- Powder
- Primers
- Wads and more
Working with multiple suppliers ensures we always have what you need in stock and ready to load.
Stock up on all the reloading supplies you need to keep you shooting all season long. Sign up for our newsletter or follow us on Facebook to receive information on our annual sale.
Call anytime for a quote on your reloading needs. 507-454-2274
Mainstream Firearms & Marine is southeast Minnesota’s premier firearms dealer with over 1,000 new and used guns in stock. We’re also the area’s only dealer of Go-Devil boats, motors, and accessories. We carry a full line of shooting and reloading supplies along with expert gunsmithing and appraisal services. Locally owned and operated in Winona since 1989, we’ve built a solid reputation as the place to go for firearms and Go-Devil sales and service.