(Round 1) 300 Blackout 7.5" vs 16": Does Barrel Length Matter?

Be sure to watch to the end of the video! AR-15 with 16" Barrel and AR Pistol with 7.5" Barrel 300 Blackout Remington UMC 220gr OTFB Muzzle Velocity: 1015 FPS Muzzle Energy: 503 FT-LBS Idaho Rifleman Instagram: Idaho Rifleman Facebook: Mrs. Rifleman Instagram PLEASE NOTE: All filming is performed in a controlled environment, on a private range, by a trained professional. The video and any content is performed safely and supervised by trained professionals for your information and entertainment. Please do not attempt this at home.