Description 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.
