MAC Military Armament Corp

The MAC 2011 Platform: What It Is and Why It Matters

The 2011 is an evolution of John Browning’s 1911 design that replaces the single-stack magazine with a double-stack unit, increasing capacity from 8 to 17–21 rounds while retaining the 1911’s single-action trigger, grip angle, and manual safety. The result is a pistol that combines the 1911’s crisp trigger and natural pointability with modern double-stack capacity. MAC builds their entire lineup on this platform, spanning compact carry configurations through full-size competition models.

MAC 9 DS: The Core Carry Model

The MAC 9 DS is the full-size 9mm carry model—a 4.25” barrel, 17-round magazine, optics-ready slide, and fiber optic front sight. The DS (Double Stack) designation refers to the high-capacity magazine that distinguishes it from traditional 1911 configurations. The AOS (Adaptive Optics System) optics cut accepts common red dot footprints directly. For buyers who want a full-size 2011 carry pistol with factory optics readiness at an accessible price, the MAC 9 DS is the starting point in the MAC lineup.

MAC 9 DS-D: The Competition Configuration

The MAC 9 DS-D adds a compensated barrel—available in 5” standard and ported configurations—for reduced muzzle rise in competition use. The compensated barrel is integral to the barrel rather than a separate muzzle device, maintaining a cleaner profile. Available in QPD (Quench-Polish-Draw) black finish with AOS optics cut. For USPSA and IDPA competition shooters who want the 2011 platform’s trigger advantages with factory compensated barrel performance, the DS-D delivers a competition-ready platform at a price point below most dedicated competition pistols.

MAC-5 and MAC-5K: The Compact Options

The MAC-5 and MAC-5K are compact 2011 configurations with shorter barrels and reduced-height grips for concealed carry use. Both retain the double-stack magazine and single-action trigger of the full-size models in a more concealable package. For buyers who want the 2011 platform specifically for concealed carry rather than full-size range or competition use, the MAC-5 family offers the appropriate dimensional trade-offs.

MAC 1911-9: The Double-Stack 1911

The MAC 1911-9 is MAC’s most traditional configuration—a double-stack 9mm built to look and feel like a classic Government-model 1911 while delivering the capacity advantages of a double-stack magazine. For buyers who want the 1911’s aesthetics and manual of arms with modern round count, the MAC 1911-9 provides that combination at a lower price than comparable double-stack 1911 offerings from other manufacturers.

Related Pages

Compare the premium 2011 option on the Staccato brand page, browse all 1911 and 2011 pistols, or explore all 9mm pistols.