CompMag Demo Videos. Posted on Nov 16th 2019 Introduction to the AR-15 & AR-10 GEN.3 CompMag.Introduction to the AR-15 CompMag GEN.2Introduction to the AK-47 CompMag. Tagged: compmag , ar-15 , ak-47 , Ca , california , compliance , NY compliance , ny legal , ar-10 , ca legal , fixed magazine