Dominate close-quarters scenarios with this 10.5" 5.56 NATO Complete Upper Receiver. Featuring a 10.5" barrel with a 1:7 twist rate this upper delivers reliable bullet stabilization for a wide range of 5.56 NATO ammunition ideal for tactical home defense or short-barreled rifle (SBR) and pistol builds. The 10" M-Lok rail provides a lightweight modular platform for mounting accessories while the nitride-finished bolt carrier group ensures smooth cycling enhanced durability and low maintenance. Complete with a charging handle and built to Mil-Spec standards this upper is ready to pair with any AR15 Mil-Spec lower receiver for a seamless high-performance setup.

• Caliber: 5.56mm NATO
• Barrel Profile: Medium
• Muzzle Thread: 1/2X28
• Twist Rate: 1/7
• Gas System: Pistol
• Material: 4150
• Handguard Length: 10 in.
• Charging Handle: Standard
• Manufacturer: One Horse