Angstadt Arms AAUT009006 UDP-9 | 9mm | 6″ Barrel

The Angstadt Arms AAUT009006 UDP-9 is a complete 9mm upper assembly built to mate with any dedicated 9mm AR-15 lower. It ships ready for range use and is compatible with both GLOCK and COLT style 9mm magazines. The assembly includes a 6" barrel, an ultra-light 5.5" handguard and a Radian ambidextrous charging handle, and it is configured for use with a 3-lug sound suppressor.

Common applications include pistol-caliber carbine (PCC) competition and dedicated range training with a 9mm AR platform. The UDP-9 provides a compact, purpose-built upper for users prioritizing controllable recoil and common 9mm magazine compatibility.

Product Specifications

• The manufacturer is Angstadt Arms.
• The model is 0940 UDP Upper.
• The manufacturer’s part number is AAUT009006.
• The caliber is 9mm Luger.
• The barrel measures 6" for compact handling.
• The barrel material is Aluminum.
• The rate of twist is 1:10.
• The handguard length is 5.5".
• The color is Black.
• The upper is compatible with GLOCK and COLT style 9mm magazines.
• The muzzle is 3-lug, suppressor-ready.
• The fit is AR Rifles.
• The product type is Upper.
• The subcategory is Complete Upper Receivers.
• The UPC is 853427007585.

This UDP-9 upper assembles a purpose-built 9mm platform that balances compact barrel length with a dedicated 9mm gas system and magazine compatibility. Its lightweight handguard and ambidextrous charging handle make it straightforward to operate in competitive or training environments, while the 3-lug muzzle provides a standard interface for suppressor use. For shooters building a dedicated PCC or an accurate training rig, this complete upper delivers the core features needed without extraneous components.