Who is SOTAR and why do you Gauge the AR so much?
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KAC Blem Lower Receiver Bolt Catch Problem & Physical turned to Autopsy
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Anderson BCG Physical
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SmythBuster: Checking Headspace
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Ep: 1776-0005 w/ Chad Albrecht of School of the American Rifle
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How Rifles Are Made | How It's Made (Sako & Tikka GUN PRODUCTION)
18:51
How to Test 223 WYLDE Headspace: Gauges, Failed Go-Gauge Test #ar15 #223 #firearms #headspace
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KAC SR-15 MOD2 PHYSICAL
18:33