Guardian Defense Mfg (GDM for short) is a proud, family-owned business that was founded in 2023 by its president, Jeff Heisey, with a vision to deliver top-of-the-line suppressors and accessories to our valued customers.

As a family-owned company, we bring a deep-rooted commitment to integrity, quality, and personalized service. Every product that bears the Guardian Defense name represents our family’s dedication, passion, and collective expertise in the industry.

We understand the value of trust and strive to foster long-lasting relationships with our customers, treating them like an extension of our own family. Being a family-owned business allows us to maintain agility, adaptability, and a strong sense of responsibility toward our craft and our customers.

When you choose Guardian Defense, you’re not just purchasing a product but joining our extended family, built on trust, reliability, and shared values.

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our advantage

manufactured in-house

At Guardian Defense Mfg, we take pride in our commitment to quality and control at every step of the manufacturing process. That’s why we manufacture all our products in-house, ensuring meticulous attention to detail and the highest standards of craftsmanship. 

From the initial design and engineering to the precision machining and assembly, our dedicated team of experts utilizes state-of-the-art technology and cutting-edge techniques to bring our suppressors to life. 

By keeping the entire production process in-house, we have complete control over the materials, tolerances, and quality checks, guaranteeing that every product that bears our name is a testament to our unwavering dedication to excellence and customer satisfaction. When you choose Guardian Defense Mfg, you’re choosing products that are not only made with passion but also with a profound sense of responsibility toward providing the best possible tools for your defense needs.


our mission

continuous product improvement

We believe that innovation and continuous improvement are essential to stay at the forefront of the industry. That’s why we invest in extensive testing and research to ensure that our products meet and exceed the highest standards of performance and reliability. 

Our dedicated team of engineers and technicians are constantly exploring new technologies, materials, and manufacturing techniques to push the boundaries of what our suppressors can achieve. Through rigorous testing and evaluation, we gather invaluable data and feedback, allowing us to refine our designs, enhance functionality, and optimize every aspect of our products. 

Whether it’s simulating real-world scenarios or collaborating with experts in the field, we leave no stone unturned in our pursuit of excellence. At Guardian Defense Mfg, you can trust that our commitment to continuous improvement means you’re always equipped with the most advanced, reliable, and effective tools for your defense and peace of mind.


our guarantee

100% satisfaction

All of our products carry a 100% Satisfaction 30-day money back guarantee as well as Manufacturer Defect Lifetime Warranty. Customer satisfaction is the utmost priority, striving to create “life-long” returning customers, not just a sale.

We stand behind the quality, performance, and reliability of our products, and we strive to exceed your expectations at every step.  With us, you can have confidence that you are not only investing in exceptional quality but also in a company that values your satisfaction above all else.


our goal

competitive prices

Our ability to manufacture our products in-house gives us a significant advantage in offering competitive prices to our customers. By controlling every step of the manufacturing process, from design to production, we eliminate the need for outsourcing or relying on external suppliers, reducing costs associated with intermediaries.

Our efficient production processes and optimized supply chain allow us to minimize overhead expenses and pass those savings directly to our customers. Additionally, our in-house manufacturing capabilities enable us to streamline operations and respond quickly to market demands, ensuring we can offer affordable prices without compromising on quality or performance.

When you choose Guardian Defense, you can rest assured that you’re investing in superior products at a competitive price, making our suppressors accessible to a wider range of defenders and enthusiasts alike.


We are an American family owned business located in the United States. We have served the shooting sports and firearm industry since 2023 and the manufacturing industry since 1988. All the GDM products are manufactured in-house at our production facility in Dayton, Ohio. All GDM products carry a 100% Satisfaction 30-day money back guarantee as well as Manufacturer Defect Lifetime Warranty. Customer satisfaction is the utmost priority, striving to create “life-long” returning customers, not just a sale. From one AMERICAN family to another –GDM