Description
The CMMG Bolt Rehab Kit is a replacement parts kit designed for service and repair of AR-15 bolts and bolt carrier groups. It provides the small, serviceable components commonly needed when refurbishing a bolt or addressing extraction and ejection issues. The kit includes multiple extractor, ejector, firing pin, and gas ring components, and all parts are stated to meet or exceed Mil-Spec. It is supplied for use on AR-15 platforms chambered for .223 Rem / 5.56 NATO.
Key Specifications
- Compatibility: AR-15 platform compatibility for bolt and BCG service.
- Caliber suitability: .223 Rem / 5.56 NATO.
- Included gas rings: three gas rings supplied in the kit.
- Finish: Black.
- Material: Varies by component.
- Packed dimensions: 0.55 x 6.10 x 3.90 inches.
- Length: 3.9000 inches.
- Height: 0.5500 inches.
- Width: 6.1000 inches.
- Product type: Bolt parts for maintenance and repair.
Contents include extractor, extractor pin, extractor spring with buffer, extractor O-ring, ejector and ejector spring with roll pin, firing pin and retaining pin, and other small service components intended to restore bolt function. All listed components are provided to address wear and restore reliable extraction and ejection as part of routine maintenance or focused repair tasks.
Practical and straightforward, this CMMG Bolt Rehab Kit supplies the common replacement parts technicians and owners rely on to return a bolt and BCG to serviceable condition. Its Mil‑Spec components and parts coverage make it a useful option for routine maintenance, field repairs, or any rebuild where small bolt components are required to restore reliable operation.





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