Instruction from Karl Kasarda of InRangeTV details a mud reliability test on the Sig Spear MCX (M7 NGSW). The rifle initially functions with the dust cover closed but malfunctions when the dust cover is open, highlighting a key difference in reliability compared to AR-15 platforms in adverse conditions. The guide covers basic clearing steps for such malfunctions.
This guide details a rigorous mud test performed on the Sig MCX Spear, the US Army's NGSW choice. It covers initial function checks, extreme mud application with both open and closed dust covers, and systematic clearing techniques for failures to feed, fire, and eject. The analysis highlights the challenges piston-driven systems can face in such conditions and the importance of understanding gas settings.
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