CMMG AR-15 Bolt Assembly .223/5.56 — Black

Description

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.