KE Arms Stripped KE-9 Upper Receiver for 9mm AR-15

SKU: 1-50-03-005

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AT3 Tactical™ 9mm Bolt Carrier Group – Nitride


Radian Raptor-LT Ambidextrous Charging Handle


Slick Side 9mm Upper with T-Marks from KE Arms

KE Arms produces some of the finest quality parts for AR-15s, whether for duty, competition, or leisure.  This slick side 9mm upper is no exception to the rule of “excellence in manufacturing”.  While this upper doesn’t accept a dust cover nor a forward assist, it’s perfect for a pistol caliber carbine.  Most blowback bolts don’t have forward serrations, and the system ends up sealed tightly, with no room for debris to fall around a heavy 9mm bolt.

The shortened ejection port handles 9mm brass efficiently, and it retains a brass deflector for shooter comfort.  The top picatinny rail is also T-marked, in case you need to change your optics setup while maintaining a reliable zero.

Be sure to check out AT3’s collection of 9mm AR-15 parts to start your new pistol caliber build today!


  • Material: Forged 7075 T6 Aluminum
  • Finish: Type 3 Hard Anodized
  • Caliber: 9mm Luger

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

KE Arms Warranty

Subject to terms, conditions, and limitations outlined below, KE Arms firearms and products carry a 100% satisfaction guarantee against defects in original materials and workmanship for a period of one (1) year from the date of their original purchase by the initial consumer. This warranty is valid only for products purchased and used in the United States of America.

Limitations Of Warranty

  • The warranty will be void if any of the following occur:
  • The instructions in the included manual are not followed
  • Your KE Arms firearm or any of its parts are altered or modified from their original state
  • Damage is caused by misuse, abuse, or improper maintenance
  • Reloaded, remanufactured, or hand-loaded ammunition or ammunition of a different caliber than your KE Arms firearm is used.


  • Any unused, unopened item may be returned for store credit equal to 100% of the purchase price.
  • Any unused, unopened item may be returned for cash, minus a 30% restocking fee.
  • Returns are not allowed on firearms or parts that have been fired or used in any way. (This is determined at the discretion of KE Arms)

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 1 review
Eric R

Would not even fit my 9mm lower,had a gun smith try and it would never work. Don't waste your money on this upper

Sorry to hear about the issue, Eric. I sent you an email to resolve the issue.