HR9SD Suppressed AR upper with 12″ SD


Introducing the new HITEC ARMS Integrally Suppressed upper,
powered by MEAN Arms Bearing Delay™ in 9mm with 12″ SD Suppressor

The Integrally Suppressed Bearing Delay Upper Receiver is a complete upper receiver system ready to be paired with the AR lower receiver of your choice. Includes our HTA 12″ SD suppressor configuration . No 9mm-specific buffer needed. The Bearing Delay Upper Receiver is designed to work with standard AR-15 buffers.
-Lower Recoil
-Less “Dot Bounce”
-Faster Splits
-Quicker Follow-up Shots
-Lower Reciprocating Mass
-Reduced Fouling/Blowback in Receiver


Original price was: $2,199.00.Current price is: $1,799.00.
Original price was: $750.00.Current price is: $675.00.

Out of stock

SKU: HR9SD.1.1 Category: Tags: , , ,



  • Caliber: 9×19mm Parabellum
  • Compatible with both milspec AR-15 and dedicated pistol-magazine lower receivers
  • Works with standard AR-15 buffers
  • barrel lengths: 5.7″
  • Weight of entire Upper (BCG alone is just under 11oz) is 2.92 lbs
  • Each Bearing Delay Upper Receiver includes:
    • Fully tunable ball bearing bolt carrier group
    • MA Upper Receiver – slick side billet machined aluminum upper receiver
    • MA Handguard – free float hybrid metal/polymer design
    • MA Charging Handle – new ambidextrous design
    • MA Muzzle Device – exclusive machined design reduces recoil and muzzle flash
  • Also included with the purchase of the Bearing Delay Upper Receiver:
    • 1 additional Lifter for tuning the system (2 total included)
    • 2 ExoMags (PMAGs NOT required)
  • This upper carries a MEAN Lifetime Warranty! If you have an issue please contact our support department via email at
  • This suppressor carries a HiTec Arms Lifetime Warranty! If you have an issue please contact our support department via email at
  • All maintenance for the Bearing Delay upper is free (including parts and labor) – customers only pay for shipping


All sales are final. (under certain circumstances we can refund your purchase price with a 20% restocking feeWe accept MO, checks, or Visa/Mastercard/American Express. We Ship to FFL/SOT dealers only, we will need to have an email from your dealer with their FFL/SOT, with your info (name, order # and what you are buying) on it emailed to

NO sales to California or any other banned state, please know your local laws.