Angstadt Arms 0940 UDP 9mm 6in Complete Upper

The Angstadt Arms 0940 UDP is a complete 9mm upper receiver assembly configured for compact AR-style builds. It ships in black and features a 6 inch barrel with a suppressor-ready 3-lug muzzle system plus a Blastwave blast shield for controlled gas management. The assembly includes a Radian ambidextrous charging handle and is compatible with GLOCK and COLT style 9mm AR-15 lower receivers.

Key Specifications

• The caliber is 9mm.
• The barrel measures 6 inches.
• The barrel material is Aluminum.
• The twist rate is 1:10.
• The product type is a Complete Upper Receiver Assembly.
• The model is the 0940 UDP Upper.
• The upper is suppressor-ready via a 3-lug muzzle interface.
• The hand guard is an ultra-light 5.5 inch design.
• Includes a Radian ambidextrous charging handle.
• Compatible with GLOCK and COLT style AR-15 lower receivers.

Designed for shooters assembling compact 9mm pistols or carbine-style rifles, this complete upper delivers straightforward installation, simplified suppressor integration, and practical ergonomics. The combination of a short barrel, lightweight handguard, and ambidextrous controls makes it a functional choice for users seeking a compact, purpose-built 9mm AR upper.