4.5 Inch A4 Upper Half .223/5.56mm

AR0369B With RRA Lightweight Free Float Rail, M-LOKĀ® Compatible

  • CALIBER:

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

    Forged A4
  • BARREL:

    4.5 inch Chrome Moly, Full Auto Chamber, 1:9 Twist
  • GAS BLOCK:

    Low Profile Gas Block
  • MUZZLE DEVICE:

    SMITH VORTEX FLASH SUPPRESSOR / 1/2–28 THREAD
  • HANDGUARD:

    RRA LIGHTWEIGHT ALUMINUM FREE FLOAT, 4.25 INCH PISTOL LENGTH, M-LOK COMPATIBLE
  • INCLUDES:

    Bolt Carrier Group, Charging Handle Assembly and Low Pro M-LOK® Compatible Handstop
  • NOTE:

    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
AR0369B 4.5 Inch A4 Upper Half, .223/5.56   Starting at:$485.00

Your Rock:
1