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AR-15 5.56 NATO 10.5″ Complete Upper 1:8 Twist MLOK

$399.99

  • Caliber: 5.56 NATO

  • Barrel Length: 10.5”

  • Barrel Profile: M4 Contour

  • Barrel Material: 4150 Chrome Moly Vanadium

  • Barrel Finish: Parkerized

  • Twist Rate: 1:8

  • Gas System: Carbine Length

  • Gas Block Size: .750

Only 1 left in stock

SKU: 556NATO-105-18-MLOK Category:

Description

Compact and reliable, this AR-15 5.56 NATO 10.5″ Complete Upper 1:8 Twist MLOK features a parkerized 4150 CMV M4 contour barrel with 1:8 twist and carbine-length gas system. Includes forged receiver and MLOK split rail. Compatible with mil-spec AR-15 lowers.

Built for compact AR configurations, this 5.56 NATO 10.5” upper assembly delivers durability and consistent semi-automatic performance.

The 10.5” M4 contour barrel is constructed from 4150 Chrome Moly Vanadium steel and finished in parkerized coating for corrosion resistance. The 1:8 twist rate supports a broad range of projectile weights, while the carbine-length gas system provides reliable cycling.

This upper features a forged aluminum flat-top receiver and a lightweight MLOK split rail handguard for modern accessory mounting.


🔧 Specifications:

  • Receiver Material: Forged Aluminum

  • Charging Style: Rear Charging

  • Handguard: MLOK Split Rail

  • Classification: Complete Upper Assembly

  • Platform: AR-15

  • Action: Semi-Automatic

  • Weight: 4.25 lbs

  • Compatibility: Mil-Spec AR-15 Lowers


Why Choose a 10.5” 5.56 Upper?

  • Compact configuration

  • Durable 4150 CMV barrel construction

  • 1:8 twist for versatile ammo compatibility

  • Forged receiver strength

  • Modern MLOK rail system

  • Ready-to-install complete assembly

This AR-15 5.56 NATO 10.5″ complete upper is ideal for builders seeking a durable and compact AR platform.

WarningWarning: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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