Phantom Defense Revenant 8.6 Blackout 404gr Subsonic Expander NAS3 Case Rifle Ammo - 20 Rounds - The 404 Revenant Expander is a purpose-engineered 8.6 Blackout cartridge utilizing a NAS3 hybrid case and a proprietary triple-diameter expanding projectile. Designed for controlled terminal performance, the projectile initiates uniform expansion upon impact, transitioning through three staged diameter zones to maximize energy transfer while maintaining structural integrity. The NAS3 case provides enhanced corrosion resistance, reduced weight, and improved extraction reliability under adverse conditions. This cartridge is intended for use in modern firearms chambered for 8.6 Blackout and is manufactured to precise dimensional tolerances to ensure consistent internal ballistics and predictable terminal behavior. The 404 Revenant Expander is suited for applications requiring regulated expansion, retained mass, and precise point-of-impact performance.