Fostech Stealth Raptor HGA 300 Blackout 10.5" Barrel Mach-1 10" Rail Echo AR II Trigger - 725792970910

The Fostech Stealth Raptor is a complete 300 Blackout upper receiver assembly featuring a 10.5" barrel with Mach-1 handguard and integrated 10" rail system. It includes Fostech's Echo AR II trigger and tungsten finish for reduced signature and durability. Designed for AR-pattern platforms chambered in 300 Blackout, this upper receiver is suitable for both subsonic and supersonic ammunition applications.