
Welcome to CROM
Engineering the Future of Firearms
At CROM, innovation drives everything we do. From precision-engineered firearms to cutting-edge components, we’re dedicated to creating products that push performance boundaries. Backed by years of research and led by industry expert Rob Sotelo, our mission is to deliver the next generation of firearm technology—crafted for shooters who demand the best.
Join Our Blog!
Stay connected with the CROM Family every other week as we share fresh insights, tips, and stories from our journey. Our biweekly blog is the perfect way to keep up with new ideas, company updates, and valuable information designed to inspire and inform. Don’t miss out—subscribe today and be part of the conversation!

7+
Years Of Experience

About Us
Innovation. Precision. Purpose.
CROM was founded with one goal in mind: to build better firearms through smart design and relentless innovation. What started as a vision by industry veteran Rob Sotelo has grown into a powerhouse of engineering and performance. Every product we create reflects our dedication to pushing boundaries and setting new standards in firearm design.

Built by Experts
Founded by professionals and powered by a team of top-tier engineers who live and breathe firearms.

Tested for Performance
Every component is rigorously tested to ensure reliability, durability, and accuracy under real-world conditions.

Driven by Innovation
We’re not here to replicate—we’re here to redefine what firearms and accessories can be.

Our Products
Precision-Crafted Products, Built for Performance
Explore our lineup of purpose-built firearms, components, and ballistic solutions—engineered for shooters who demand reliability, innovation, and next-level performance. From modular platforms to high-grade accessories, every CROM product is a reflection of our commitment to quality and tactical excellence.
Why Choose Us
Why Choose CROM
At CROM, we don’t just manufacture firearms—we engineer confidence. Our products are built with precision, tested in real-world conditions, and backed by a relentless pursuit of innovation. When you choose CROM, you’re choosing performance, reliability, and craftsmanship that exceeds expectations.
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.

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.

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.

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.

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.
We Serve Through Three Core Categories
CROM PCC Parts and Accessories
Extremis Ballistic Products