CMMG Lower Receiver Parts Kit for AR15 5.56 NATO – Without Grip or Fire Control Group (55CA601)

• Lower receiver parts kit for AR-15 builds excluding key upgraded components
• Includes essential internal parts except trigger guard fire control group and grip
• All included components meet or exceed mil-spec manufacturing standards
• Designed for compatibility with standard AR-15 lower receiver assemblies
• Supports custom builds using upgraded trigger groups and grips separately
• Suitable for repair or assembly of AR-15 lower receivers

The CMMG Lower Receiver Parts Kit 556NATO Without Grip/Fire Control Group is a lower parts kit designed for assembling or repairing AR-15 lower receivers chambered in 5.56 NATO. This lower receiver parts kit includes essential internal components while excluding the trigger guard, fire control group, and pistol grip. It is designed to provide core parts for custom AR-15 build configurations.

The CMMG lower receiver parts kit meets or exceeds Mil-Spec standards and is compatible with AR-15 platform rifles. It is categorized as a partial lower parts kit and supports builds where specific upgraded components are selected separately. The kit includes necessary pins, springs, and internal hardware required for lower receiver function. This product is used for rifle assembly or maintenance for range use or field setups. In standard configurations, the included components install within the lower receiver to support control and retention systems.