Is This Round Superior To .300 BLK? 9x39mm

SG Ammo: http://bit.ly/2WpRQTI
Primary Arms: http://bit.ly/2PIp5Po

Test Gun: AR-15, Wolf 10.5" and 16" upper
Chronograph: Pro Chronopal Chronograph Digital
Test Taken: 10 Feet
Round Used: 9x39mm, 278gr FMJ, Wolf Performance Ammunition

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* * The information presented in these videos is technical and educational in nature. All safety precautions are followed. Imitation or the use of anything demonstrated in my videos is done AT YOUR OWN RISK. This video is not an attempt to sell you a good or service. I am not a gun shop and DO NOT sell or deal in Firearms. Such a practice is heavily regulated and subject to applicable laws. I DO NOT sell parts, magazines, or firearms.

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