72,000 sq ft ready to work for you
Precision-Engineered OEM Parts: The Heart of Your Firearm's Performance
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Barrels
CMMG produces high-quality rifle barrels using 4140 chrome-moly (CM) and 416 stainless steel (SS). 4140CM barrels offer durability for high-volume shooting, while 416SS provides corrosion resistance and aesthetic appeal. All barrels are precision-machined in-house, ensuring accuracy and customization options.
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Bolt Carrier Groups
CMMG offers a wide range of OEM bolt carrier group components for AR-15, M16, Mk3, and 22ARC systems. Our product line includes complete assemblies and individual parts for various calibers (ex. MK3 ejector in image) and configurations. We provide specialized components for calibers like 6.5 Grendel and 6mm ARC, as well as conversion kits for our .22LR system.
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Upper Receivers
We offer OEM upper receivers and components for AR-15, Mk4, and Mk3 platforms in various finishes. Options include stripped and fully assembled units for different caliber needs. Our product range covers everything from complete assemblies to small components like forward assist kits and charging handles.
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Lower Receivers
CMMG provides a comprehensive range of lower receiver components for AR15, Mk3, and M16 platforms. We offer lower parts kits in various configurations, including standard and ambidextrous options. Our high-quality, mil-spec parts are available in bulk or individually packed, suitable for both large-scale production and custom builds.
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Buffer Assembly
CMMG's buffer assemblies ensure smooth, reliable operation in AR-platform rifles. Precision-engineered for optimal weight and balance, our buffers reduce felt recoil and minimize wear. Choose from carbine, rifle, and specialized options to fine-tune your firearm's performance.
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Pins, Springs, Detents
CMMG supplies top-quality fire control components, from complete assemblies to individual springs, detents, and pins. We offer standard and ambidextrous safety selectors, anti-walk pin kits, and M16-specific components. Our precision-engineered parts are designed to enhance the performance and reliability of your firearm builds.