OUR STORY

How We Got Here

GMI Engineering was founded by engineers and field target enthusiasts, eager to offer the best-engineered "Slug swage kit" at a relatively reasonable price to customers worldwide. Whether you’re interested in making your own slugs or resizing commercially available pellets/slugs, our store brings to you both the options.

Check out our online DIY tools and accessories store today and get in touch if you have any questions or suggestions.