Interestingly, there was a notch cut through the handle to ensure an unfettered line-of-sight between the operator, the weapon and his target. The cocking handle was situated along the stop of the receiver and accessible by either hand. These design elements made for a steady gun platform, concentrating the firing action balance just over the pistol grip. Construction was of steel stampings and the bolt was of a wrap-around - or telescoping - design, essentially 'wrapping around' the barrel and allowing the MAC-10 to achieve such a short receiver length and thus remain a compact weapon system. The safety catch was set to the right of the trigger guard. There was a rounded-rectangle trigger ring ahead of the pistol grip and below the forward portion of the receiver. The submachine gun was characterized by a rectangular receiver fitting a simple straight pistol grip that doubled as the magazine feed. To the casual observer, the MAC-10 showcased a design not unlike the Israeli-made UZI series (as well as other submachine guns that have mimicked this general design layout). Their joint venture and flagship product was to become the MAC-10 with the ultimate hope being quantitative sales to the US military during the ongoing Vietnam War. He partnered with Mitchell Werbell III, a former OSS and CIA operative and founder of SIONICS (Studies In the Operational Negation of Insurgents and Counter-Subversion) - a firm centering on the development and sales of firearm-capable suppressors and silencers and their partnership produced the Military Armament Corporation (MAC).

Ingram was a former associate at the Police Ordnance Corporation before leaving to develop the MAC-10. However, it has since become universally accepted as the 'MAC-10' and nothing more.ĭesign of the MAC-10 began as early as 1964 by Gordon B. Despite the widely-accepted designation of 'MAC-10', the submachine gun was officially marketed as the 'M10' and the former identifier was never used in any official capacity. The weapon system was not helped by the American military's decision to pass on full production orders and her future was ultimately decided for her with the collapse of her host company, Military Armament Corporation (MAC - hence the 'MAC-10' designation). While introducing some impressive and interesting concepts, the weapon system failed to materialize as a serious contender within the established submachine market and was soon overtaken by other factor out of her control. The Ingram MAC-10 (M10) was a short-lived, compact submachine gun initiative seeing limited production and equally-limited action across the globe.

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