What is the Best Caliber for your SBR?

In today's video we test SBR's in a serious of strenous tests to find the best caliber for your short barrel rifle. bit.ly/garandthumb Bulletproof Everyone hoodie! Patreon Signup - www.patreon.com/GarandTHumb Onward Research onwardresearch.com/ SDI School: sdischool.co/Garand Xidax Computers: tribelink.co/Xidax Insta: www.instagram.com/garand_thumb/ GarandThumb on Facebook: www.facebook.com/garandthumb1

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