UDP-9 RESOURCES
Helpful how to articles, videos and frequently asked questions about the Angstadt Arms UDP-9
unboxing
UDP-9 overview
Everything you need to know about enjoying your UDP-9. We recommend you start here
How to video
UDP-9 cleaning instructions
How to properly clean and field strip your UDP-9
customize
UDP-9 upgrades
Top upgrades for your UDP-9 firearm
UDP-9 KNOWLEDGE BASE
Frequently Asked Questions
Trigger Compatibility
Please see this page for trigger compatibility. We recommend the EMT-9 PCC Trigger
Magazine Compatibility
Please see this page for magazine compatibility. We recommend GLOCK OEM magazines for the best performance
Buffer & spring compatibility
Please see this page for buffer & spring compatibility.
bolt catch installation
Please see this page for bolt catch installation instructions.
3-lug installation
Please see this page for 3-lug installation instructions.
law tactical installation
Please see this page for Law Tactical folding stock adapter instructions.
magazine release installation
Please see this page for magazine release installation instructions.
UDP-9 to MDP-9 conversion
Follow the instructions in this manual to convert your UDP-9 lower receiver to accept the MDP-9 roller delayed upper