300 BLACKOUT: Analysis by a real scientist
Published: 6 months ago
A real scientist explains the advantages of the 300 blackout cartridge for AR-style rifles.
Read more gear reviews at www.GEAR.news
Every dollar you spend at the Health Ranger Store goes toward helping us achieve important science and content goals for humanity: http://shop.real.video
For more updates, visit: https://www.real.video/channel/hrreport