The Angstadt Arms UDP-9 Complete Upper is a 9mm AR-15 dedicated upper receiver pistol assembly designed to be ready to run right out of the box when paired with any compatible 9mm AR-15 dedicated lower. This configuration features a 6-inch barrel and a 5.5-inch hand guard, and it supports both Glock-style and Colt-style 9mm magazines for flexible magazine compatibility.
Key Features
6-inch 9mm barrel for a compact, balanced upper setup
5.5-inch hand guard sized for comfortable control and handling
Built as a complete upper receiver pistol assembly for out-of-the-box use with a compatible dedicated lower
Works with both Glock-style and Colt-style 9mm magazines
Designed for use with any 9mm AR-15 dedicated lower receiver
Add the UDP-9 Complete Upper to a compatible dedicated 9mm lower to build a ready-to-run 9mm AR-style pistol platform.
