This CMMG bolt assembly is a direct replacement component for the AR-15 platform specified for .223 Rem/5.56 NATO cartridges. The assembly ships with the ejector, extractor and gas rings pre-installed to simplify installation and reduce assembly time. The bolt is manufactured from 9310 steel with a phosphate finish while the extractor is made from 4140 steel with a phosphate finish. Finished in black matte, the assembly is intended for maintenance and upgrade applications where durable, serviceable components are required.
Key Specifications
- Compatible with the AR-15 platform.
- Chambering specified as .223 Rem/5.56 NATO.
- The bolt is made from 9310 steel with a phosphate finish.
- The extractor is made from 4140 steel with a phosphate finish.
- Ships with ejector, extractor and gas rings pre-installed.
- Color is Black.
- Finish is Matte.
- Product type is listed as Part.
- Subcategory is Long Gun Parts.
Built from quality steels and finished for corrosion resistance, this CMMG bolt assembly provides a dependable replacement or upgrade option for routine maintenance and long-term service. The pre-installed components and durable phosphate finishes make it well suited to range use and regular upkeep where consistent, reliable parts matter.
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