10.5 Inch A4 Upper Half .223/5.56mm

AR0364B With 10.5 Inch Chrome Lined Barrel

Customizableoptions available
  • CALIBER:

    5.56mm NATO Chamber for 5.56mm and .223 Caliber
  • UPPER RECEIVER:

    Forged A4
  • BARREL:

    10.5-inch Chrome Lined Chrome Moly, 1:7 Twist
  • GAS BLOCK:

    Gas Block, Receiver Height Sight Base
  • MUZZLE DEVICE:

    A2 Flash Hider / 1/2–28 Thread
  • HANDGUARD:

    R4 Handguard
  • INCLUDES:

    Bolt Carrier Group and Charging Handle Assembly
  • NOTE:

    For Pistol and SBR Applications Only - All NFA Rules Apply.

To add a ROCKote Color or Finish option, please select from the option pull-down menu below.

The standard ROCKote Color package and pricing includes the upper receiver, handguard and charging handle. For non-standard color packages, please call RRA Sales at 1-866-980-7625.

For additional information and color samples, please see the ROCKote Colors / Finishes page. Because of the considerable variation in how different monitors display colors, the color samples depicted are approximate, and the actual colors will vary when applied to the firearm. There is no warranty on ROCKote Colors or finishes.

Item Number Description Select Price
AR0364BX 10 1/2 Inch A4 Upper Half, .223/5.56   Starting at:$485.00

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