Steve Aryan, Director of Training at US Shooting Academy (on left), and Stephen Pineau, Professional Firearms Instructor and CEO of 21st Century Gunfighter (on right).
Thanks to USSA and 21st CG for the comparison test / review of our Griffin Armament M4-SD compensator, Battle Comp Enterprises BC 2.0, and Knights Armament's Triple Tap Brake (TTB).
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