Matador Arms – MAT-9 Monolithic Upper

Original price was: $699.99.Current price is: $539.99.

  • 9mm Straight Blowback Upper
  • Works with almost any 9mm PCC style magazine
  • Functions normally with stock folded
  • Works with Bolt Hold Open Latch

In stock

Matador Arms – MAT-9 Monolithic Upper Product Details

Matador Arms has released their MAT-9 blowback 9mm upper receiver and JSD Supply has them. This bufferless and monolithic, completely self-contained 9mm upper can be configured to work with AR pattern lower receivers using almost any PCC 9mm magazine on the market. They are compatible with the following magazine types:

      • Glock
      • Sig Sauer
      • Colt SMG Stick Magazines
      • HK Mp5
      • CZ Evo Scorpion


The MAT-9 requires no tools to break down for cleaning and doesn’t use a receiver extension buffer system, so you can empty a magazine with the stock folded 1980’s style if you want to. It’s silencer / suppressor ready with no modifications and features a non-reciprocating ambidextrous steel charging handle. Finally, if your lower uses a Last Round Bolt Hold Open latch, the MAT-9 will interface and work with it. All the features you want are here in one amazing 9mm upper!



      • MAT-9 Monolithic Upper
      • 9mm
      • Bolt Carrier Group (BCG)
      • Solid end receiver…does not require a buffer
      • Hard anodized billet aluminum
      • 7.825” barrel, 4140 nitrided
      • ½x28″ threaded barrel
      • Full length integral picatinny rail for installing optics or sights
      • 9 MLOK slots (one row of 3 on each side, one row of 3 on bottom)
      • Non-reciprocating charging handle…can be used on right or left side
      • 4140 steel nitrided bolt & trunnion for durability
      • No tools required for field stripping
      • Weight: 3lbs

Not included:

      • AR9 or AR15 Lower Receiver
      • Magazine Adapter (Mil Spec AR-15 Lowers require the Mag X adapter)
      • Magazine
      • Sights
      • Ammunition

The MAT-9 Monolithic Upper is not a serial numbered part and ships to your door.  Please know and understand your local laws for finishing and owning an AR-15 or any variant.

Buy From the Best Today

Whether you need a single part to complete your build, or an entire AR-15, you’ll get the best when you shop with JSD Supply.  Everything in our inventory has been tested by our team before we bring it on as a sellable product.  We have been the premier DIY firearm solution since 2013.

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