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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.
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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.
  • 10.5″ 5.56 NATO barrel with 1:7 twist for versatile performance
  • 10″ M-Lok rail for secure, customizable accessory attachment
  • Nitride-finished BCG for corrosion resistance and smoother operation
  • Includes charging handle and Mil-Spec upper receiver for drop-in compatibility
  • Made in the U.S.A
  • Ready to mount on any Mil-Spec AR15 lower receiver Build your compact powerhouse—add to cart now!
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10.5″ 5.56/.223 Complete Upper Receiver – 10″ M-Lok Rail, Nitride BCG & Charging Handle

SKU: OH-CU02 Categories: ,
UPC: 850078799296

MSRP: $319.99

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In stock

SPECIFICATIONS

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
Country of Origin: U.S.A.
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