CADRE Dispatch

The MAC Duty 9 Double Stack from Military Armament Corporation

James Maybrick

The Military Arms Corporation in Knoxville, Tennessee, hosts a catalog of shotguns, MP5 clones, and their first 1911 in .45 ACP. New for 2025 is their first double-stack 1911 — the MAC Duty 9 — made to MAC’s specifications by Tisas.

Mac Duty 9 double stack
The MAC Duty 9 Double Stack has a new slide cut design and features a factory RMR pattern optic cut. (Military Armament Corporation)

MAC Duty 9 Quick Specs

  • Caliber: 9mm Luger
  • Capacity: 17+1
  • Barrel: 5″ Bull Barrel with 11 Degree Target Crown
  • Overall Length: 8.8 Inches
  • Weight: 30 ounces unloaded
  • Action Type: Single Action
  • Firing System: Hammer Fired
  • Safety: Manual Thumb Safety and Grip Safety

Features

Engineered for versatility, this full-size, hammer-fired 9mm pistol features a factory RMR optic cut on the slide and a universal light rail, making it a solid choice for duty use, home defense, or competition. Its 5-inch bull barrel, finished with a QPQ Tenifer coating and an 11-degree target crown, helps reduce recoil while maximizing accuracy.

The MAC Duty 9 Double Stack is built with durability in mind, featuring a 4140 hammer-forged steel slide and frame with a rugged Cerakote finish. The polymer grip module provides a firm yet comfortable texture, and the skeletonized trigger — adjustable for overtravel — delivers a crisp 4.75 lb trigger pull.

A competition-grade aluminum magwell ensures smooth, fast reloads, while the fiber optic front sight and black serrated rear sight offer a clear sight picture. The pistol ships with two 17-round Checkmate magazines, an optics plate system, and a premium lockable hard case—all at an MSRP of $1,099.99.

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