CMMG Lower Receiver Parts Kit, 223 Remington/5.56 NATO, Black Finish

Product Description

The CMMG LPK 556 is a comprehensive lower receiver parts kit designed for AR-15 builders of all skill levels. This complete kit contains every essential component needed to assemble your lower receiver in .223 Remington and 5.56 NATO. Whether you’re customizing an existing rifle or building your first AR-15 from scratch, this kit delivers the reliability you need.

Furthermore, the CMMG LPK 556 includes precision-engineered components for proper fit and function. You’ll receive takedown pins, pivot pins, and detent springs for secure operation. Additionally, the hammer, trigger, and disconnect springs ensure reliable firing and reset with every shot.

Complete Parts Included in Your Kit

This lower parts kit provides everything for a functioning lower receiver assembly. The CMMG LPK 556 includes the safety selector, magazine catch, and trigger guard assembly. Moreover, you get the bolt catch assembly, buffer retainer components, and all necessary springs and pins for a complete build.

The kit contains: takedown pin, receiver pivot pin, takedown pin detent (2), detent springs (2), hammer and trigger pins (2), hammer spring, trigger spring, disconnect, disconnect spring, safety selector, selector detent, lock washer, pistol grip screw, hammer, trigger, pistol grip, magazine catch, magazine catch spring, magazine release button, trigger guard assembly, bolt catch, bolt catch plunger, bolt catch spring pin, bolt catch spring, buffer retainer, and buffer retainer spring.

Quality Construction and Compatibility

CMMG is a trusted name in quality firearms components with proven reliability. The black finish provides a professional appearance and excellent corrosion resistance. Additionally, this kit works with standard AR-15 lower receivers from most manufacturers for maximum compatibility.

Therefore, whether you’re performing a performance upgrade or DIY maintenance on your build, this kit delivers dependable results. The components are designed for precise fit and reliable operation. Using quality OEM components ensures your build performs as intended from the first shot.

Ideal for Builders and Customizers

This parts kit is perfect for first-time AR builders and experienced gunsmiths alike. The CMMG LPK 556 simplifies the customization process by eliminating the need to source individual components. Indeed, having all necessary parts in one kit saves time and ensures compatibility.

Ordering from Western Sport

Order online and it ships straight to your door. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

Frequently Asked Questions

Q: Will the CMMG LPK 556 work with my AR-15 lower receiver?

A: Yes, this kit is compatible with standard AR-15 lower receivers from most manufacturers. It’s specifically designed for .223 Remington and 5.56 NATO platforms. However, always verify your lower receiver’s specifications before purchasing.

Q: What is the warranty on the CMMG LPK 556?

A: CMMG stands behind their products with manufacturer warranties. We recommend contacting CMMG directly for specific warranty details and claims. Our team at Western Sport can also assist you with any warranty questions or support needs.

Q: Is the CMMG LPK 556 suitable for my first AR-15 build?

A: Absolutely. This complete kit is perfect for beginners building their first AR-15 since it includes every lower receiver component you need. Pair it with a quality upper assembly and barrel for a reliable first build.

Additional information