free shipping

AR0388B Rock River Arms 16" Mid-Length A4 5.56 Upper Half

$549.99  $508.50
Save: 8% off

Always Free Shipping
Add to Cart:



  • Model: AR0388B
  • Shipping Weight: 8.9lbs
  • Manufactured by: Rock River Arms

AR0388B Rock River Arms 16" Mid-Length A4 5.56 Upper Half

This is a complete Rock River Arms factory built AR-15 upper half. It features a mid-length gas system on a 16 inch barrel with an A2 Flash Hider, T-marked flat top upper.

5.56mm with a 16" Barrel.
Caliber: 5.56mm NATO Chamber for 5.56 & .223 Cal use.
Handguard: Mid-Length Handguard.
Charging Handle: Standard Handle/Latch.
Front Sight: None, Gas Block Front Sight Base.
Rear Sight: None.
Bolt Carrier Group: Standard Bolt Carrier Group
Barrel: 16" Chrome Moly 1:9 Twist
Muzzle Device: A2 Flash Hider with -28 Thread

Complete, ready to install on your AR-15 lower receiver. Includes bolt carrier group and charge handle.

AR0388B

If you can checkout with it, then we have the AR0388B in stock for fast shipping.




free shipping