CMMG 55DA296 Mil-Spec AR-15 Lower Parts Kit - Complete Assembly

The CMMG 55DA296 Mil-Spec lower parts kit provides everything needed to complete an AR-15 lower receiver build with military specification components. This comprehensive kit eliminates the guesswork of sourcing individual parts while ensuring proper fit and function across all components.

What Makes This Different

CMMG manufactures this kit to exact military specifications, ensuring compatibility with any mil-spec AR-15 lower receiver. Each component undergoes quality control testing to meet the same standards used by military contractors. The kit includes premium materials like 8620 steel for high-stress components and properly heat-treated springs that maintain tension through thousands of cycles.

Key Features

• Complete mil-spec lower parts kit with all necessary components
• 8620 steel trigger guard and magazine catch for enhanced durability
• Chrome silicon springs resist compression set and fatigue
• Stainless steel detents and pins resist corrosion
• Standard A2 pistol grip included with mounting hardware
• Compatible with all mil-spec AR-15 lower receivers
• Made in USA with lifetime warranty coverage

This parts kit performs reliably across temperature extremes and high round counts. Law enforcement agencies specify CMMG components for duty rifles due to their consistent performance under stress. The kit's components function smoothly in both semi-automatic sporting rifles and precision builds where reliability cannot be compromised.

Technical Specs

• Compatibility: Mil-spec AR-15 lower receivers
• Trigger guard: 8620 steel, mil-spec dimensions
• Magazine catch: 8620 steel with spring and button
• Safety selector: 4140 steel with detent and spring
• Bolt catch: Investment cast steel with spring and roll pin
• Pistol grip: A2 style with mounting screw and lock washer
• Springs: Chrome silicon steel, properly tempered
• Pins and detents: Stainless steel construction
• Country of origin: United States
• Warranty: Lifetime manufacturer warranty

CMMG's reputation for precision manufacturing ensures this kit delivers the reliability expected from mil-spec components. Professional builders and hobbyists alike choose this kit when quality cannot be compromised on their AR-15 builds.