Description
Angstadt Arms UDP-9 complete upper receiver pistol assembly is built to run with any 9mm AR-15 lower receiver. It comes as a ready-to-use upper with a 6 in barrel and uses parts carried over from the UDP-9 pistol. Compatibility is supported for both GLOCK and COLT style 9mm magazines.
Key features
- Complete upper receiver pistol assembly for 9mm
- 6 in barrel
- Compatible with GLOCK and COLT style 9mm magazines
- Ready to pair with a 9mm AR-15 lower receiver
Specifications
| Caliber | 9mm Luger |
|---|---|
| Barrel Length | 6 in |
| Rate of Twist | 1:10 in |
| Model | 0940 UDP Upper |



