Miller Precision - Serbu Firearms - Avangard Upper Receiver!

In this video we do an in-depth look into the "Avangard" upper receiver that was once the Serbu SU-15. Serbu Firearms have teamed up with us to bring this amazing product to market! Stay tuned to our youtube channel as well as Mark Serbus youtube channel and our social medias at MillerPrecisionUSA for more info as this project progresses! more information can be found on our website as well! USAMPF.com