The Primary Weapons Systems UXR Conversion Kit chambered in 300 AAC BLACKOUT features a 14.5″ barrel and employs the intuitive XChange system for seamless caliber transitions. Swapping the barrel, bolt, and magwell allows shooters to shift between calibers quickly and reliably. The barrel delivers a 1:6″ twist rate for consistent downrange performance. A user-friendly dot system prevents errors during reconfiguration, making caliber changes straightforward.
This conversion kit is competitively priced and widely available, offering modularity without excess cost. All PWS products are covered by the PWS VOW warranty, which guarantees repair or replacement for any defects or issues. The design is protected under USPTO Patents # US D1,108,572 S and US D1,108,573 S, with additional patents pending. Whether building a modular 300 BLK platform or expanding an existing UXR system, this conversion kit delivers proven modularity and performance in a compact form factor.
