Mid-Length A4 Upper Half .223/5.56mm

AR0388 With Gas Block Sight Base

Customizableoptions available

Available Configurations:

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  • CALIBER:

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

    Forged A4
  • BARREL:

    16-inch Chrome Moly Lightweight, 1:9 Twist
  • GAS SYSTEM:

    Mid-Length Gas System
  • MUZZLE DEVICE:

    A2 Flash Hider / 1/2–28 Thread
  • GAS BLOCK:

    Gas Block with Receiver Height Sight Rail
  • HANDGUARD:

    Mid-Length Handguard
  • INCLUDES:

    Bolt Carrier Group and Charging Handle Assembly

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
AR0388X Mid-Length A4 Upper Half, with Gas Block Sight Base   Starting at:$410.00

AR0375BX Mid-Length Upper Half, with A2 Front Sight Base   Starting at:$410.00

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