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Most Recent Reviews
Well made, but paper thin barrel by Hoodie, Verified Owner, September 9, 2025
The upper is blowback only. The receiver is machined pretty well and the action is smooth. However the barrel is very thin (1-1.5mm at the tip) so I returned it.
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Caliber: 9mm Luger Overall Length: 23.5 inBarrel Length: 16 inBarrel Profile: Slim Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Muzzle Device: No Finish: Anodized Color: Black Handguard Length: 15 in

Code: MDA-URC-GJK1-850045441272

MPN: 850045441272

UPC: 850045441272

Final Sale
$585.00

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Product Info for Matador Arms MAT-916 AR-9 9mm 16in Upper Receiver

This upper receiver is side-folding compatible and features Matador Arms patent-pending EZTS Easy Take-down System with no tools required to break down the upper for maintenance and cleaning. The 9mm upper is machined for maximum weight reduction, slim profile, and compatibility with bolt catches and lower receivers. The upper is also built with a tapered multi-material 4-piece trunnion system to maintain mechanical accuracy and durability.image

With an AR-15 Lower Receiver it requires Matador Arms Mag-X magazine conversion kit or equivalent type product such as Endomags.

Specifications for Matador Arms MAT-916 AR-9 9mm 16in Upper Receiver:

Manufacturer: Matador Arms
Caliber: 9mm Luger
Overall Length: 23.5 in
Barrel Length: 16 in
Barrel Profile: Slim
Barrel Twist Rate: 1-10
Threads per Inch: 1/2x28
Muzzle Device: No
Finish: Anodized
Color: Black
Fabric/Material: 4140 Nitrided Steel
Handguard Length: 15 in
Gun Rail: MIL-STD 1913
Gun Make: SIG Sauer, Colt, Glock
Gun Model: Heckler & Koch MP5

Features of Matador Arms MAT916 Upper Receiver

  • Non-reciprocating steel charging handle (ambidexterous)
  • 4140 Nitrided steel bolt and action parts
  • 6061-T6 anodized upper receiver
  • 4150 Lightweight Nitrided Barrel, 16in long, 1:10 twist, 1/2x28 threads
  • NATO 1913 Spec top rail
  • Compatible with LRBHO (Last Round Bolt Hold Open) lower receiver
  • Ready to run with a Suppressor right out of the box!

Package Contents:

  • Matador Arms MAT916 Upper Receiver

Matador Arms MAT-916 AR-9 9mm 16in Upper Receiver Orderable Models

List of Orderable Models

  • Matador Arms MAT916 AR-9 9mm 16in Upper Receiver, Nitrided, 1-10 Twist, 1/2x28 Threads, Anodized, Black, 850045441272 , MPN: 850045441272 , UPC: 850045441272 , Code: MDA-URC-GJK1-850045441272

Matador Arms MAT-916 AR-9 9mm 16in Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

  • Matador Arms MAT916 AR-9 9mm 16in Upper Receiver, Nitrided, 1-10 Twist, 1/2x28 Threads, Anodized, Gray, 850045441289 , MPN: 850045441289 , UPC: 850045441289 , Code: MDA-URC-GJK1-850045441289
  • Matador Arms MAT916 AR-9 9mm 16in Upper Receiver, Nitrided, 1-10 Twist, 1/2x28 Threads, Anodized, FDE, 850045441296 , MPN: 850045441296 , UPC: 850045441296 , Code: MDA-URC-GJK1-850045441296
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