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Discover the difference with CROM. Every firearm and component we create is built for shooters who demand power, precision, and reliability. From cutting-edge technology to battle-tested designs, our products are crafted to give you an edge every time you pull the trigger. Backed by years of research and the expertise of Rob Sotelo, CROM delivers performance you can trust—because when it matters most, only the best will do.

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Our Products

Engineered for Power. Designed for Precision.

Step into the CROM arsenal—featuring firearms, components, and ballistic solutions built to outperform. From modular platforms to elite-grade accessories, every product is crafted for shooters who expect nothing less than innovation, reliability, and tactical superiority.


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Why Choose Us

Why Choose CROM

At CROM, we don’t just build firearms—we deliver confidence in every shot. Every product is precision-engineered, battle-tested, and driven by innovation to perform when it matters most. Choosing CROM means choosing unmatched reliability, next-level performance, and craftsmanship that sets a new standard in the industry.

What Sets Us Apart:

Expert-Led Engineering

Founded by industry professional Rob Sotelo and powered by a team of experienced engineers who live and breathe firearms innovation.

Performance-Driven Products

Every component and platform is field-tested and built to perform under pressure—on the range or in real-world scenarios.

 

Innovation Without Compromise

We’re constantly pushing the envelope with new ideas, materials, and technologies to stay ahead of the curve in firearm design.

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Reviews

What Our Clients Are Saying

James M.

I’ve used a lot of platforms in my time, but nothing compares to the craftsmanship and reliability of CROM. Every part feels solid, and performance is consistently smooth. These guys know what they’re doing.

Rachel K.

What impressed me most is how forward-thinking CROM's designs are. The Extremis Ballistic line is like nothing I’ve seen before—smart, lightweight, and tough as nails.

Ethan R.

From the initial order to the final setup, everything was seamless. Their support team is responsive, and the product quality is next-level. I’m already planning my next build with them.

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Product Categories

Explore Our Core Product Lines

From precision parts to full platforms, CROM’s products are built to perform. Discover our specialized categories—each crafted with innovation, tested for reliability, and engineered for shooters who demand excellence.

Hocatt™ Ozone Sauna

CROM PCC Parts and Accessories

Precision Components for Next-Level PCC Performance

Our PCC (Pistol Caliber Carbine) parts and accessories are engineered for serious shooters who demand reliability and control. Whether you're customizing for competition, defense, or personal style, CROM delivers finely machined parts that enhance performance without compromise. Explore upper receivers, handguards, triggers, and more — all designed to integrate seamlessly and operate flawlessly.

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Hocatt™ Ozone Sauna

Extremis Ballistic Products

Advanced Ballistic Solutions for Real-World Scenarios

Extremis represents the cutting edge of ballistic technology. Built with combat-tested materials and designed for maximum protection and performance, these products are developed for those who face the toughest environments. From body armor components to rugged field-ready equipment, Extremis Ballistic Products redefine what’s possible when innovation meets resilience.

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Hocatt™ Ozone Sauna

Platforms

Complete Firearm Platforms Built from the Ground Up

Our full firearm platforms are the result of years of engineering, field testing, and refinement. Every build reflects CROM’s commitment to modular design, intuitive function, and uncompromising quality. Whether you’re looking for a base to build your dream rifle or a complete setup ready for action, our platforms offer unmatched reliability and performance out of the box.

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We Serve Through Three Core Categories

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CROM PCC Parts and Accessories

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Extremis Ballistic Products

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Platforms