The Ruger AR-556 Complete Lower Receiver is the serialized lower receiver assembly used as the foundation for a compatible AR-15 rifle build. It houses the fire control group, magazine well, safety selector, grip, buffer system, and stock attachment point, making it the main controlled component of an AR-platform firearm.
Designed for AR-15 platform compatibility, this Ruger complete lower is a practical choice for builders who want a factory Ruger lower receiver assembly for a custom rifle project, replacement build, or spare lower setup. It provides a ready foundation for pairing with a compatible AR-15 upper receiver assembly.
Whether used for a new build or as a replacement lower assembly, the Ruger AR-556 Complete Lower Receiver gives shooters a reliable starting point from a trusted firearm manufacturer. Its AR-style layout supports familiar controls, broad parts compatibility, and flexible configuration options.
Specifications
- Manufacturer: Ruger
- Model: AR-556 Complete Lower Receiver
- MPN: 28501
- UPC: 736676285013
- Product Type: Complete Lower Receiver
- Platform: AR-15 / AR-Style Rifles
- Configuration: Complete Lower Assembly
- Application: AR-15 Rifle Build, Repair, or Replacement Lower
- Compatibility: Compatible AR-15 upper receiver assemblies
- Manufacturer Listing: AR-LOWER-C AR Lower
Features
- Factory Ruger lower receiver assembly for AR-platform builds
- Complete lower configuration helps simplify rifle assembly
- Designed to pair with compatible AR-15 upper receiver assemblies
- Provides the serialized foundation for an AR-style firearm build
- Supports familiar AR-15 controls and handling characteristics
- Useful for custom builds, replacement projects, and spare lower setups
- Manufactured by Ruger for dependable fit and quality
Benefits
- Provides a convenient starting point for building a compatible AR-15 rifle
- Reduces the need to source individual lower receiver components separately
- Offers factory Ruger quality for shooters and builders
- Allows customization through the choice of compatible upper receiver assemblies
- Useful for maintaining a spare lower receiver setup for future builds
- Ideal for AR owners, builders, and armorers who want a complete lower assembly
The Ruger AR-556 Complete Lower Receiver is a dependable choice for shooters looking to build, repair, or configure a compatible AR-15 platform rifle. With factory Ruger quality and complete lower receiver convenience, it provides a solid foundation for a wide range of AR-style firearm projects.