Interview with Engineer Chris Sirois, lead designer for Sig MPX, MCX, Sig 516/716
This interview with engineer Chris Sirois, lead designer for Sig Sauer's MCX, MPX, 516/716, and Caracal's 816, details the complex process of military firearm development from concept to production. Sirois emphasizes rigorous testing, adherence to military specifications like AC225, and the critical role of collaboration with special operations groups. He highlights key design philosophies, including modularity, parts commonality, and robust performance under extreme conditions, contrasting military requirements with civilian market demands.




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