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Published on Mar 22, 2011
This is a follow-up video showing the Sig 556R's malfunctions that I didn't show in my previous video. The rifle has an assortment of failures with every magazine fired. In our testing we found the Sig 556R to be completely unreliable with Wolf military ball ammo. PLEASE SUPPORT MAC ON PATREON: http://www.patreon.com/militaryarms