The One Horse Express 10.5" M-LOK pistol brings the factory-tested Express package to a compact 5.56 NATO/.223 configuration. It is equipped with the Atrius Single Side FRS, a carbine-length gas system, Breek Warhammer Mod2 ambidextrous charging handle, and 9.25" handguard.

FREE SHIPPING: This One Horse Express firearm ships free from Eleanor Armory to an eligible licensed FFL dealer.

  • Selector: Atrius Single Side FRS
  • Caliber: 5.56 NATO / .223 Remington
  • Barrel Length: 10.5"
  • Barrel Profile: Medium
  • Muzzle Thread: 1/2x28
  • Twist Rate: 1:7
  • Gas System: Carbine
  • Muzzle Device: A2
  • Handguard: 9.25" M-LOK
  • Charging Handle: Breek Warhammer Mod2, ambidextrous
  • Buffer Tube: Mil-Spec
  • Grip: THRiL RTG Rugged Tactical Grip
  • Rear Configuration: SBA3
  • Magazine: 30-round magazine where lawful
  • Manufacturer: One Horse
  • Country of Origin: USA