| Gun Parts Shop: AR, AK & Firearm Components
Precision-engineered gun parts for OEMs across the firearms and defense industries for performance, reliability, and compliance.
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CSS designs, manufactures, and supplies high-performance gun parts for a range of firearm platforms and applications. From AR and AK components to specialized springs and links, our parts are engineered to meet strict quality, durability, and compliance standards.
As a trusted supplier to leading OEMs in the defense & firearms industries, our components are built for consistent performance in demanding environments. Whether for new builds or replacement needs, CSS provides the precision and reliability required for critical firearm systems.
CSS designs, manufactures, and markets precision components for the AR-15, M16, and M4 family of modern sporting rifles. These high-quality OEM parts are suitable for both new builds and replacement applications.
All components are manufactured in the USA and engineered to meet strict OEM specifications, ensuring consistent fit, function, and long-term reliability.
CSS designs, manufactures, and stocks precision components for the AK family of firearms. We are a trusted supplier to leading OEMs in the defense & firearms industries, delivering high-quality parts engineered for consistent performance and durability.
Our experienced team understands the demands of AK systems, and our ATF- and ISO-certified manufacturing processes ensure every component meets strict quality and compliance standards.
CSS manufactures precision sear springs and ammunition links designed for reliable performance in defense & firearms applications. These components are critical to function and durability, requiring tight tolerances and consistent material performance.
Produced using controlled manufacturing processes, our springs and links are engineered to meet strict OEM and industry standards for quality, strength, and reliability.
