This magazine is engineered as a direct replacement or spare component for the Ruger AR-556 platform chambered in .450 Bushmaster. Constructed to KFF Defense standards for reliability and consistent performance, it integrates seamlessly with the specified firearm.
Key Features
Compatibility & Functionality
Designed for precise fitment and operational integrity within the Ruger AR-556 rifle system. This magazine ensures consistent feed cycles, critical for maintaining operational readiness and minimizing stoppages during use.
Construction & Durability
Manufactured from robust steel, this magazine is engineered to withstand rigorous field conditions and repeated loading cycles. The black finish provides enhanced corrosion resistance, protecting the steel substrate from environmental degradation. Feed lips are dimensionally stable, maintaining consistent geometry for reliable cartridge presentation.
Capacity & Utility
With a 5-round capacity, this magazine provides a compact profile while meeting specific regulatory requirements or application-driven needs such as hunting or range drills where lower capacity magazines are preferred or mandated.
Manufacturing Origin
This component is manufactured in the USA, adhering to established quality control protocols to ensure product consistency and operational reliability.
Technical Specifications
- Caliber: .450 Bushmaster
- Capacity: 5 Rounds
- Platform: AR-556
- Material: Steel
- Finish: Black
- Manufacturer: Ruger
- Manufacturer SKU: 90679
- KFF Defense SKU: TSW|109448
- Origin: Made in USA









