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CMMG 556 Lower Parts Kit
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Description
This complete CMMG lower receiver parts kit is designed for AR-15 platform builds and repairs, chambered for 223 Remington/5.56 NATO. The kit includes all essential components needed to assemble a functional lower receiver.
All components feature a black phosphate finish and are manufactured to meet or exceed mil-spec standards. Constructed from quality steel, these parts ensure reliable function and durability for your AR-15 build.
The kit comes as a complete package with trigger guard assembly, standard trigger, hammer, and all associated springs, detents, pins, and hardware. A pistol grip is included to complete the lower receiver assembly.
- Compatible with AR-15 platform rifles chambered in 223 Remington/5.56 NATO
- Complete kit includes pistol grip and full complement of springs, pins, and detents
- Black phosphate finish on steel components
- All parts meet or exceed mil-spec requirements
- Standard trigger configuration
- Includes manufacturer limited lifetime warranty
Specifications
- Model
- 556
- UPC
- 852005002080
- MPN
- 55CA6C5












