This video features a final review of a custom-built 9mm AR-15 pistol from Angstadt Arms, specifically the UDP-9 model. The creator highlights recently added custom Glock modifications for the firearm. The video aims to provide an honest review, aligning with the channel's focus on firearms and upgrades, including comparisons to other AR-15s and Glock accessories. A parts list with codes is provided in the description.
This custom Angstadt Arms AR-9 pistol build features a 6-inch barrel and Glock magazine compatibility. Key components include a Hiperfire 24C trigger, Strike Industries controls, and a Vortex Razor red dot. Reliability testing highlighted the superiority of OEM Glock magazines over aftermarket options for this specific platform, with the last-round bolt hold-open functioning correctly.
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