The One Horse Express Rifle 5.56 NATO 16" delivers a purpose-built AR-15 carbine centered around the factory-installed Atrius Forced Reset Selector. Built on 7075-T6 aluminum receivers with a mid-length gas system and 16" SOCOM-profile 4150 CrMoV barrel, it’s tuned as a complete system for smooth cycling, fast follow-up shots, and consistent accuracy. The 15" M-LOK free-float rail offers generous mounting space for lights, grips, and optics while keeping the front end slim and controllable.

This Express Rifle is ideal for range use, training, and practical competition where speed and reliability matter. The Breek Arms Warhammer Mod2 charging handle, Thril RTG grip, Thril CCS adjustable stock, and 30-round Thril magazine create a comfortable, modern shooting setup right out of the box. With its Atrius Single Side FRS selector providing Safe, Semi, and Super Semi positions, the rifle reflects One Horse’s focus on thoughtful engineering and careful factory tuning.

• Manufacturer: One Horse
• Model: Express Rifle
• Caliber: 5.56 NATO / .223 Remington
• Action: Semi-Automatic, Direct Impingement
• Barrel Length: 16" SOCOM Profile, 1:8" Twist
• Gas System: Mid-Length
• Handguard: 15" M-LOK Free-Float Rail